Akashic

county

Mercer County, PA

Office (updates table and map)

President margin by year

Place winner margin

1892–2024 · D minus R

Full record · 1892 → 2024

2024

Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab

People and households

Who lives here

Exact values for this place, its state, and the United States.

Race · ethnicity · ancestry

Communities and origins

German22.2%21.6%12.5%

Irish14.5%14.8%9.4%

Italian10.8%10.6%4.8%

English10.3%8.3%9.5%

American6.9%4.4%5.3%

Polish4.5%5.4%2.2%

Slovak2.4%0.8%—

Scottish2.0%1.1%1.3%

African American†5.4%8.7%9.9%

Puerto Rican0.6%3.7%1.8%

Mexican0.4%1.4%11.3%

Dominican0.4%1.4%0.7%

Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.

Age and life stage

Measure	Mercer County	Pennsylvania	United States
Median age	45.1	41.2	39.1
Age 18–24	9.2%	8.9%	9.2%
Age 65 and older	23.2%	19.5%	17.2%

Household economy

Measure	Mercer County	Pennsylvania	United States
Median household income	$59,976	$77,971	$84,427
Poverty rate	13.2%	11.7%	12.5%
Bachelor's degree or higher (25+)	25.6%	35.2%	35.6%

Languages at home

Measure	Mercer County	Pennsylvania	United States
Speaks a non-English language at home	4.1%	12.4%	22.3%
German or other West Germanic	2.2%	0.9%	0.5%

Religious landscape

Measure	Mercer County	Pennsylvania	United States
Catholic	13.0%	21.9%	18.6%
Evangelical Protestant	12.9%	9.3%	16.5%
Unclaimed / not counted	60.2%	53.1%	51.5%
Mainline Protestant	12.1%	10.3%	5.2%

American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.

President results by year

2024 turnout 66.5% of 88,046 citizens 18+

HarrisDemocratic34.5%20,145TrumpRepublican64.6%37,761OliverLibertarian0.5%312

R+30.2

Lead: 17,616
Total: 58,410
vs nation: R+28.7
Turnout: 66.5%

BidenDemocratic36.4%21,067TrumpRepublican62.4%36,143JorgensenLibertarian1.3%744

R+26.0

Lead: 15,076
Total: 57,954
vs nation: R+30.5
Turnout: 65.9%

ClintonDemocratic35.5%18,733TrumpRepublican59.7%31,544JohnsonLibertarian2.6%1,370

R+24.2

Lead: 12,811
Total: 52,839
vs nation: R+26.3
Turnout: 58.8%

ObamaDemocratic47.5%24,232RomneyRepublican50.8%25,925JohnsonLibertarian1.0%487

R+3.3

Lead: 1,693
Total: 51,039
vs nation: R+7.2
Turnout: —

ObamaDemocratic49.1%26,411McCainRepublican49.4%26,565OtherAll other candidates1.6%845

R+0.3

Lead: 154
Total: 53,821
vs nation: R+7.6
Turnout: —

KerryDemocratic48.2%24,831BushRepublican51.0%26,311OtherAll other candidates0.8%422

R+2.9

Lead: 1,480
Total: 51,564
vs nation: R+0.4
Turnout: —

GoreDemocratic48.9%23,817BushRepublican47.5%23,132NaderGreen2.2%1,073

D+1.4

Lead: 685
Total: 48,732
vs nation: D+0.9
Turnout: —

ClintonDemocratic50.2%23,003DoleRepublican37.6%17,213PerotReform11.2%5,108

D+12.6

Lead: 5,790
Total: 45,779
vs nation: D+4.1
Turnout: —

Key facts

2024 presidential margin: R+30.2MIT Election Lab
Population: 109,2572024 5-year
Median household income: $59,9762024 5-year
White (non-Hispanic): 87.9%2024 5-year
Black: 5.6%2024 5-year
Hispanic / Latino: 1.7%2024 5-year
Peak Democratic margin: D+27.8 in 1964MIT Election Lab
Peak Republican margin: R+48.8 in 1924MIT Election Lab
Most similar: Jefferson County, OH · twin score 92.0

Participation

Midterm durability

Total general-election participants divided by same-year citizen voting-age population. These are total ballots or participating voters—not presidential candidate votes.

2024 total turnout: 66.5%58,525 participants ÷ 88,046 CVAP
2020→2022 drop-off: +14.5 ptsVolatile
Drop-off versus state: -2.5 ptsPositive means a larger decline than the statewide pattern
Mechanical 2026 scenario: 52.0%–53.0%Recent-cycle and two-cycle persistence scenarios; not a forecast

Election	Participants	CVAP	Turnout	Quality
2016 · Presidential	53,371	90,691	58.8%	A/A
2018 · Midterm	41,638	89,673	46.4%	A/A
2020 · Presidential	58,454	88,667	65.9%	A/A
2022 · Midterm	45,951	89,329	51.4%	A/A
2024 · Presidential	58,525	88,046	66.5%	A/A

Sources and methods

2016: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 293/111.
2018: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 297/138.
2020: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 301/2.
2022: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 306/183.
2024: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 311/228.

Precinct data

Results by precinct

191 precincts · 58,410 votes

Election

Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.

Mercer County precinct-level presidential election results for 2024

Precinct 0530420850530	279	961	10	1,250	22.3%	76.9%	R+54.6
Precinct 0020420850020	304	915	10	1,229	24.7%	74.5%	R+49.7
Precinct 0425420850425	483	712	10	1,205	40.1%	59.1%	R+19.0
Precinct 0040420850040	309	857	5	1,171	26.4%	73.2%	R+46.8
Precinct 0960420850960	325	837	8	1,170	27.8%	71.5%	R+43.8
Precinct 1070420851070	291	811	12	1,114	26.1%	72.8%	R+46.7
Precinct 1005420851005	250	842	7	1,099	22.7%	76.6%	R+53.9
Precinct 0515420850515	275	775	11	1,061	25.9%	73.0%	R+47.1
Precinct 0340420850340	262	769	7	1,038	25.2%	74.1%	R+48.8
Precinct 0950420850950	339	636	7	982	34.5%	64.8%	R+30.2
Precinct 0640420850640	247	724	6	977	25.3%	74.1%	R+48.8
Precinct 0550420850550	260	695	10	965	26.9%	72.0%	R+45.1
Precinct 0650420850650	282	667	5	954	29.6%	69.9%	R+40.4
Precinct 0405420850405	392	546	6	944	41.5%	57.8%	R+16.3
Precinct 0972420850972	284	648	8	940	30.2%	68.9%	R+38.7
Precinct 0355420850355	372	552	7	931	40.0%	59.3%	R+19.3
Precinct 0050420850050	220	699	6	925	23.8%	75.6%	R+51.8
Precinct 0651420850651	231	680	4	915	25.2%	74.3%	R+49.1
Precinct 0912420850912	387	493	13	893	43.3%	55.2%	R+11.9
Precinct 0435420850435	357	509	7	873	40.9%	58.3%	R+17.4
Precinct 0445420850445	304	554	4	862	35.3%	64.3%	R+29.0
Precinct 0365420850365	322	497	1	820	39.3%	60.6%	R+21.3
Precinct 0310420850310	292	520	5	817	35.7%	63.6%	R+27.9
Precinct 0670420850670	239	568	4	811	29.5%	70.0%	R+40.6
Precinct 0885420850885	367	424	10	801	45.8%	52.9%	R+7.1
Precinct 0160420850160	177	602	6	785	22.5%	76.7%	R+54.1
Precinct 0862420850862	440	335	10	785	56.1%	42.7%	D+13.4
Precinct 0480420850480	165	612	6	783	21.1%	78.2%	R+57.1
Precinct 0660420850660	212	565	2	779	27.2%	72.5%	R+45.3
Precinct 1090420851090	160	608	8	776	20.6%	78.4%	R+57.7
Precinct 0630420850630	155	606	9	770	20.1%	78.7%	R+58.6
Precinct 0270420850270	198	525	14	737	26.9%	71.2%	R+44.4
Precinct 0300420850300	269	447	16	732	36.7%	61.1%	R+24.3
Precinct 0974420850974	272	454	6	732	37.2%	62.0%	R+24.9
Precinct 0330420850330	217	505	8	730	29.7%	69.2%	R+39.5
Precinct 0700420850700	136	584	2	722	18.8%	80.9%	R+62.0
Precinct 0235420850235	247	450	9	706	35.0%	63.7%	R+28.8
Precinct 0385420850385	341	362	3	706	48.3%	51.3%	R+3.0
Precinct 0245420850245	260	428	4	692	37.6%	61.8%	R+24.3
Precinct 0455420850455	339	337	7	683	49.6%	49.3%	D+0.3
Precinct 1055420851055	229	427	1	657	34.9%	65.0%	R+30.1
Precinct 0395420850395	326	311	9	646	50.5%	48.1%	D+2.3
Precinct 0775420850775	309	318	7	634	48.7%	50.2%	R+1.4
Precinct 0475420850475	256	370	7	633	40.4%	58.5%	R+18.0
Precinct 0895420850895	293	332	1	626	46.8%	53.0%	R+6.2
Precinct 0280420850280	217	394	8	619	35.1%	63.7%	R+28.6
Precinct 0190420850190	139	447	3	589	23.6%	75.9%	R+52.3
Precinct 0755420850755	290	296	3	589	49.2%	50.3%	R+1.0
Precinct 0465420850465	281	287	8	576	48.8%	49.8%	R+1.0
Precinct 1030420851030	155	415	5	575	27.0%	72.2%	R+45.2
Precinct 0290420850290	231	324	8	563	41.0%	57.5%	R+16.5
Precinct 0835420850835	281	273	8	562	50.0%	48.6%	D+1.4
Precinct 0565420850565	180	371	4	555	32.4%	66.8%	R+34.4
Precinct 1020420851020	150	393	4	547	27.4%	71.8%	R+44.4
Precinct 1115420851115	121	425	1	547	22.1%	77.7%	R+55.6
Precinct 0765420850765	252	286	1	539	46.8%	53.1%	R+6.3
Precinct 0415420850415	209	320	7	536	39.0%	59.7%	R+20.7
Precinct 0792420850792	297	230	3	530	56.0%	43.4%	D+12.6
Precinct 0575420850575	191	317	7	515	37.1%	61.6%	R+24.5
Precinct 0732420850732	252	251	10	513	49.1%	48.9%	D+0.2
Precinct 0215420850215	149	326	5	480	31.0%	67.9%	R+36.9
Precinct 0375420850375	182	287	7	476	38.2%	60.3%	R+22.1
Precinct 1100420851100	109	357	7	473	23.0%	75.5%	R+52.4
Precinct 0150420850150	301	168	3	472	63.8%	35.6%	D+28.2
Precinct 0320420850320	127	337	4	468	27.1%	72.0%	R+44.9
Precinct 0590420850590	75	386	2	463	16.2%	83.4%	R+67.2
Precinct 1040420851040	163	293	2	458	35.6%	64.0%	R+28.4
Precinct 0140420850140	347	95	3	445	78.0%	21.3%	D+56.6
Precinct 0690420850690	74	369	2	445	16.6%	82.9%	R+66.3
Precinct 0822420850822	287	145	3	435	66.0%	33.3%	D+32.6
Precinct 0180420850180	88	342	3	433	20.3%	79.0%	R+58.7
Precinct 0680420850680	80	335	3	418	19.1%	80.1%	R+61.0
Precinct 0125420850125	350	60	3	413	84.7%	14.5%	D+70.2
Precinct 0060420850060	60	342	6	408	14.7%	83.8%	R+69.1
Precinct 0225420850225	171	222	7	400	42.8%	55.5%	R+12.8
Precinct 0825420850825	234	139	2	375	62.4%	37.1%	D+25.3
Precinct 0010420850010	124	242	2	368	33.7%	65.8%	R+32.1
Precinct 0710420850710	88	271	9	368	23.9%	73.6%	R+49.7
Precinct 0540420850540	65	275	2	342	19.0%	80.4%	R+61.4
Precinct 0735420850735	140	184	4	328	42.7%	56.1%	R+13.4
Precinct 0110420850110	242	74	5	321	75.4%	23.1%	D+52.3
Precinct 0500420850500	113	201	3	317	35.6%	63.4%	R+27.8
Precinct 0620420850620	76	224	5	305	24.9%	73.4%	R+48.5
Precinct 1080420851080	154	135	3	292	52.7%	46.2%	D+6.5
Precinct 0610420850610	67	219	2	288	23.3%	76.0%	R+52.8
Precinct 0170420850170	69	202	5	276	25.0%	73.2%	R+48.2
Precinct 0030420850030	51	206	1	258	19.8%	79.8%	R+60.1
Precinct 0072420850072	169	30	0	199	84.9%	15.1%	D+69.8
Precinct 0490420850490	43	71	2	116	37.1%	61.2%	R+24.1
Precinct 0600420850600	13	69	1	83	15.7%	83.1%	R+67.5
Precinct 0940420850940	14	57	0	71	19.7%	80.3%	R+60.6
CLARK Voting District42_4208510	0	0	0	0	—	—	No votes
COOLSPRING TWP Voting District42_4208520	0	0	0	0	—	—	No votes
DEER CREEK TWP Voting District42_4208530	0	0	0	0	—	—	No votes
DELAWARE TWP Voting District42_4208540	0	0	0	0	—	—	No votes
EAST LACKAWANNOCK TWP Voting District42_4208550	0	0	0	0	—	—	No votes
FAIRVIEW TWP Voting District42_4208560	0	0	0	0	—	—	No votes
FARRELL VTD 01 ED 0142_4208575	0	0	0	0	—	—	No votes
FARRELL VTD 01 ED 0242_4208595	0	0	0	0	—	—	No votes
FARRELL VTD 01 ED 0342_42085110	0	0	0	0	—	—	No votes
FARRELL VTD 02 ED 0142_42085120	0	0	0	0	—	—	No votes
FARRELL VTD 02 ED 0242_42085130	0	0	0	0	—	—	No votes
FARRELL VTD 02 ED 0342_42085140	0	0	0	0	—	—	No votes
FARRELL VTD 02 ED 0442_42085150	0	0	0	0	—	—	No votes
FINDLEY TWP Voting District42_42085160	0	0	0	0	—	—	No votes
FREDONIA Voting District42_42085170	0	0	0	0	—	—	No votes
FRENCH CREEK TWP Voting District42_42085180	0	0	0	0	—	—	No votes
GREENE TWP Voting District42_42085190	0	0	0	0	—	—	No votes
GREENVILLE VTD 0142_42085215	0	0	0	0	—	—	No votes
GREENVILLE VTD 0242_42085225	0	0	0	0	—	—	No votes
GREENVILLE VTD 0342_42085235	0	0	0	0	—	—	No votes
GREENVILLE VTD 0442_42085245	0	0	0	0	—	—	No votes
GROVE CITY VTD 0142_42085270	0	0	0	0	—	—	No votes
GROVE CITY VTD 0242_42085280	0	0	0	0	—	—	No votes
GROVE CITY VTD 0342_42085290	0	0	0	0	—	—	No votes
GROVE CITY VTD 0442_42085300	0	0	0	0	—	—	No votes
GROVE CITY VTD 0542_42085310	0	0	0	0	—	—	No votes
HEMPFIELD TWP VTD 0142_42085320	0	0	0	0	—	—	No votes
HEMPFIELD TWP VTD 0242_42085330	0	0	0	0	—	—	No votes
HEMPFIELD TWP VTD 0342_42085340	0	0	0	0	—	—	No votes
HERMITAGE VTD NE ED 0142_42085355	0	0	0	0	—	—	No votes
HERMITAGE VTD NE ED 0242_42085365	0	0	0	0	—	—	No votes
HERMITAGE VTD NW ED 0142_42085375	0	0	0	0	—	—	No votes
HERMITAGE VTD NW ED 0242_42085385	0	0	0	0	—	—	No votes
HERMITAGE VTD NW ED 0342_42085395	0	0	0	0	—	—	No votes
HERMITAGE VTD NW ED 0442_42085405	0	0	0	0	—	—	No votes
HERMITAGE VTD SE ED 0142_42085415	0	0	0	0	—	—	No votes
HERMITAGE VTD SE ED 0242_42085425	0	0	0	0	—	—	No votes
HERMITAGE VTD SE ED 0342_42085435	0	0	0	0	—	—	No votes
HERMITAGE VTD SE ED 0442_42085445	0	0	0	0	—	—	No votes
HERMITAGE VTD SW ED 0142_42085455	0	0	0	0	—	—	No votes
HERMITAGE VTD SW ED 0242_42085465	0	0	0	0	—	—	No votes
HERMITAGE VTD SW ED 0342_42085475	0	0	0	0	—	—	No votes
JACKSON CENTER Voting District42_42085490	0	0	0	0	—	—	No votes
JACKSON TWP Voting District42_42085480	0	0	0	0	—	—	No votes
JAMESTOWN Voting District42_42085500	0	0	0	0	—	—	No votes
JEFFERSON TWP VTD EAST42_42085510	0	0	0	0	—	—	No votes
JEFFERSON TWP VTD WEST42_42085520	0	0	0	0	—	—	No votes
LACKAWANNOCK TWP Voting District42_42085530	0	0	0	0	—	—	No votes
LAKE TWP Voting District42_42085540	0	0	0	0	—	—	No votes
LIBERTY TWP Voting District42_42085550	0	0	0	0	—	—	No votes
MERCER VTD NORTH42_42085565	0	0	0	0	—	—	No votes
MERCER VTD SOUTH42_42085575	0	0	0	0	—	—	No votes
MILLCREEK TWP Voting District42_42085590	0	0	0	0	—	—	No votes
NEW LEBANON Voting District42_42085600	0	0	0	0	—	—	No votes
NEW VERNON TWP Voting District42_42085610	0	0	0	0	—	—	No votes
OTTER CREEK TWP Voting District42_42085620	0	0	0	0	—	—	No votes
PERRY TWP Voting District42_42085630	0	0	0	0	—	—	No votes
PINE TWP VTD 0142_42085640	0	0	0	0	—	—	No votes
PINE TWP VTD 0242_42085650	0	0	0	0	—	—	No votes
PYMATUNING TWP VTD 0142_42085660	0	0	0	0	—	—	No votes
PYMATUNING TWP VTD 0242_42085670	0	0	0	0	—	—	No votes
SALEM TWP Voting District42_42085680	0	0	0	0	—	—	No votes
SANDY CREEK TWP Voting District42_42085690	0	0	0	0	—	—	No votes
SANDY LAKE TWP Voting District42_42085700	0	0	0	0	—	—	No votes
SANDY LAKE Voting District42_42085710	0	0	0	0	—	—	No votes
SHARON VTD 01 ED 0142_42085735	0	0	0	0	—	—	No votes
SHARON VTD 02 ED 0142_42085745	0	0	0	0	—	—	No votes
SHARON VTD 02 ED 0242_42085755	0	0	0	0	—	—	No votes
SHARON VTD 02 ED 0342_42085765	0	0	0	0	—	—	No votes
SHARON VTD 02 ED 0442_42085775	0	0	0	0	—	—	No votes
SHARON VTD 02 ED 0542_42085785	0	0	0	0	—	—	No votes
SHARON VTD 03 ED 0142_42085795	0	0	0	0	—	—	No votes
SHARON VTD 03 ED 0242_42085805	0	0	0	0	—	—	No votes
SHARON VTD 04 ED 0142_42085815	0	0	0	0	—	—	No votes
SHARON VTD 04 ED 0242_42085825	0	0	0	0	—	—	No votes
SHARON VTD 04 ED 0342_42085835	0	0	0	0	—	—	No votes
SHARON VTD 04 ED 0442_42085845	0	0	0	0	—	—	No votes
SHARON VTD 04 ED 0542_42085855	0	0	0	0	—	—	No votes
SHARON VTD 04 ED 0642_42085865	0	0	0	0	—	—	No votes
SHARPSVILLE VTD 0142_42085885	0	0	0	0	—	—	No votes
SHARPSVILLE VTD 0242_42085895	0	0	0	0	—	—	No votes
SHARPSVILLE VTD 0342_42085910	0	0	0	0	—	—	No votes
SHARPSVILLE VTD 0442_42085920	0	0	0	0	—	—	No votes
SHEAKLEYVILLE Voting District42_42085940	0	0	0	0	—	—	No votes
SHENANGO TWP VTD EAST42_42085950	0	0	0	0	—	—	No votes
SHENANGO TWP VTD WEST42_42085960	0	0	0	0	—	—	No votes
SOUTH PYMATUNING TWP VTD 0142_42085970	0	0	0	0	—	—	No votes
SOUTH PYMATUNING TWP VTD 0242_42085980	0	0	0	0	—	—	No votes
SOUTH PYMATUNING TWP VTD 0342_42085990	0	0	0	0	—	—	No votes
SPRINGFIELD TWP VTD EAST42_420851000	0	0	0	0	—	—	No votes
SPRINGFIELD TWP VTD WEST42_420851010	0	0	0	0	—	—	No votes
STONEBORO Voting District42_420851020	0	0	0	0	—	—	No votes
SUGAR GROVE TWP Voting District42_420851030	0	0	0	0	—	—	No votes
WEST MIDDLESEX Voting District42_420851040	0	0	0	0	—	—	No votes
WEST SALEM TWP VTD EAST42_420851055	0	0	0	0	—	—	No votes
WEST SALEM TWP VTD WEST42_420851070	0	0	0	0	—	—	No votes
WHEATLAND Voting District42_420851080	0	0	0	0	—	—	No votes
WILMINGTON TWP Voting District42_420851090	0	0	0	0	—	—	No votes
WOLF CREEK TWP Voting District42_420851100	0	0	0	0	—	—	No votes
WORTH TWP Voting District42_420851115	0	0	0	0	—	—	No votes

presidential history

Presidential margin, 1892–2024

Democratic minus Republican, by election

Presidential margin over time
Year	Margin (D minus R)
1892	−8.2%
1896	−13.5%
1900	−16.4%
1904	−33.5%
1908	−7.5%
1912	+17.0%
1916	+3.8%
1920	−35.2%
1924	−48.8%
1928	−46.3%
1932	−11.8%
1936	+5.9%
1940	−10.7%
1944	−8.3%
1948	−7.8%
1952	−11.9%
1956	−18.5%
1960	−9.1%
1964	+27.8%
1968	−0.6%
1972	−21.0%
1976	+5.3%
1980	−5.8%
1984	+0.9%
1988	+6.5%
1992	+14.4%
1996	+12.6%
2000	+1.4%
2004	−2.9%
2008	−0.3%
2012	−3.3%
2016	−24.2%
2020	−26.0%
2024	−30.2%

DemocraticRepublican

38 presidential elections

Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle; not shown when either cycle is estimated or under source review. vs U.S. · margin relative to the national result that year.
Year	Won	Democratic	Republican	Other	Margin	Swing	vs U.S.	Total
2024	R	34.5%Harris20,145	64.6%Trump37,761	0.5%Oliver312 +1	R+30.2	R+4.1	R+28.7	58,410
All 4 candidates in 2024 · 2 minor / independent Donald J TrumpRepublican64.6%37,761 Kamala D HarrisDemocratic34.5%20,145 Chase OliverLibertarian0.5%312 Jill SteinIndependent0.3%192
2020	R	36.4%Biden21,067	62.4%Trump36,143	1.3%Jorgensen744	R+26.0	R+1.8	R+30.5	57,954
2016	R	35.5%Clinton18,733	59.7%Trump31,544	2.6%Johnson1,370	R+24.2	R+20.9	R+26.3	52,839
2012	R	47.5%Obama24,232	50.8%Romney25,925	1.0%Johnson487	R+3.3	R+3.0	R+7.2	51,039
2008	R	49.1%Obama26,411	49.4%McCain26,565	1.6%	R+0.3	D+2.6	R+7.6	53,821
2004	R	48.2%Kerry24,831	51.0%Bush26,311	0.8%	R+2.9	R+4.3	R+0.4	51,564
2000	D	48.9%Gore23,817	47.5%Bush23,132	2.2%Nader1,073	D+1.4	R+11.2	D+0.9	48,732
1996	D	50.2%Clinton23,003	37.6%Dole17,213	11.2%Perot5,108	D+12.6	R+1.8	D+4.1	45,779
1992	D	46.7%Clinton23,264	32.3%Bush16,081	20.6%Perot10,277	D+14.4	D+7.9	D+8.9	49,836
1988	D	52.9%Dukakis24,278	46.4%Bush21,301	0.7%	D+6.5	D+5.6	D+14.2	45,880
1984	D	50.0%Mondale24,658	49.1%Reagan24,211	0.9%	D+0.9	D+6.7	D+19.1	49,303
1980	R	42.8%Carter19,716	48.5%Reagan22,372	8.7%	R+5.8	R+11.1	D+4.0	46,090
1976	D	51.9%Carter25,041	46.6%Ford22,469	1.5%	D+5.3	D+26.3	D+3.3	48,235
1972	R	38.4%McGovern18,087	59.4%Nixon27,961	2.2%	R+21.0	R+20.3	D+2.2	47,100
1968	R	46.5%Humphrey22,814	47.1%Nixon23,131	6.4%	R+0.6	R+28.4	D+0.1	49,105
1964	D	63.7%Johnson32,199	35.9%Goldwater18,153	0.4%	D+27.8	D+36.9	D+5.2	50,563
1960	R	45.3%Kennedy24,243	54.4%Nixon29,109	0.2%	R+9.1	D+9.4	R+9.3	53,480
1956	R	40.6%Stevenson19,769	59.1%Eisenhower28,785	0.2%	R+18.5	R+6.6	R+3.1	48,674
1952	R	43.7%Stevenson20,770	55.6%Eisenhower26,424	0.7%	R+11.9	R+4.1	R+1.1	47,537
1948	R	44.9%Truman16,108	52.7%Dewey18,916	2.4%	R+7.8	D+0.5	R+12.3	35,886
1944	R	45.6%Roosevelt16,589	53.9%Dewey19,606	0.6%	R+8.3	D+2.4	R+15.8	36,407
1940	R	44.4%Roosevelt16,968	55.1%Willkie21,058	0.5%	R+10.7	R+16.6	R+20.6	38,215
1936	D	51.8%Roosevelt20,879	45.9%Landon18,493	2.3%	D+5.9	D+17.7	R+18.3	40,311
1932	R	41.7%Roosevelt10,961	53.5%Hoover14,057	4.7%	R+11.8	D+34.5	R+29.6	26,258
1928	R	26.4%Smith8,204	72.7%Hoover22,599	0.9%	R+46.3	D+2.5	R+28.8	31,083
1924	R	16.4%Davis3,688	65.3%Coolidge14,639	16.0%La Follette3,580	R+48.8	R+13.7	R+23.7	22,420
1920	R	25.1%Cox4,823	60.3%Harding11,575	14.6%	R+35.2	R+39.0	R+9.0	19,199
1916	D	46.5%Wilson6,390	42.7%Hughes5,866	10.9%	D+3.8	R+13.2	D+0.7	13,751
1912	O	31.8%Wilson4,039	14.7%Taft1,873	53.5%	Roosevelt +21.8	D+24.5	R+2.5	12,718
1908	R	39.8%Bryan5,473	47.3%Taft6,497	12.9%	R+7.5	D+26.0	D+2.1	13,744
1904	R	27.2%Parker3,845	60.7%Roosevelt8,574	12.1%	R+33.5	R+17.1	R+13.8	14,133
1900	R	39.6%Bryan4,916	55.9%McKinley6,950	4.5%	R+16.4	R+2.9	R+8.8	12,425
1896	R	42.1%Bryan5,500	55.5%McKinley7,262	2.4%	R+13.5	R+5.3	R+7.4	13,077
1892	R	42.6%Cleveland4,931	50.8%Harrison5,874	6.5%	R+8.2	—	R+9.8	11,562
1888	—	—	—	—	No data	—	—	—
1884	—	—	—	—	No data	—	—	—
1880	—	—	—	—	No data	—	—	—
1876	—	—	—	—	No data	—	—	—

Federal and statewide elections · 3 House · 38 Senate · 3 Senate special · 12 governor

U.S. House

Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.

Source · Akashic actual-race rollup from certified returns, House; geographic aggregation.
Year	Vote lead	Democratic	Republican	Total
2024	R	32.4%18,721	67.6%38,981	57,702
2020	R	36.2%20,804	63.8%36,600	57,404
2018	R	43.9%17,842	56.1%22,799	40,641

U.S. Senate

Each row shows U.S. Senate votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.

Sources · MIT Election Data and Science Lab (MEDSL); Amlani & Algara 2021 (Harvard Dataverse doi:10.7910/DVN/DGUMFI); upstream CQ Press + ICPSR · CC BY 4.0 / CC0 1.0.
Year	Vote lead	Democratic	Republican	Total
2024	R	35.0%20,302	62.8%36,468	58,088
2022	R	37.7%17,080	59.6%27,049	45,352
2018Class I	R	44.1%Bob Casey Jr.18,136	54.2%Lou Barletta22,290	41,097
2016Class III	R	37.0%Katie McGinty19,193	59.0%Pat Toomey30,567	51,806
2012Class I	R	48.4%Bob Casey Jr.24,314	49.4%Tom Smith24,772	50,187
2010Class III	R	44.3%Joe Sestak16,000	55.7%Pat Toomey20,095	36,095
2006Class I	D	57.0%Bob Casey Jr.21,640	42.9%Rick Santorum16,274	37,941
2004Class III	R	42.1%Joseph Hoeffel21,511	51.7%Arlen Specter26,401	51,073
2000Class I	R	48.1%Rob Klink22,191	50.2%Rick Santorum23,157	46,103
1998Class III	R	41.6%Bill Lloyd12,122	54.5%Arlen Specter15,904	29,171
1994Class I	R	46.4%Harris Wofford16,288	51.7%Rick Santorum18,133	35,092
1992Class III	D	52.7%Lynn Yeakel24,113	43.2%Arlen Specter19,749	45,717
1988Class I	R	35.6%Joseph C. Vignola15,388	63.4%John Heinz27,378	43,173
1986Class III	R	44.5%Bob Edgar15,230	54.3%Arlen Specter18,560	34,210
1982Class I	R	43.8%Cyril H. Wecht16,415	54.2%John Heinz20,329	37,481
1980Class III	D	53.9%Peter Flaherty23,260	44.3%Arlen Specter19,098	43,153
1976Class I	R	45.1%William J. Green III20,720	54.0%John Heinz24,841	45,967
1974Class III	R	47.0%Peter Flaherty16,941	51.4%Richard Schweiker18,496	36,008
1970Class I	R	48.0%William G. Sesler17,931	49.4%Hugh Scott18,464	37,377
1968Class III	R	46.9%Joseph S. Clark22,257	51.6%Richard Schweiker24,502	47,453
1964Class I	D	50.7%Genevieve Blatt25,255	49.0%Hugh Scott24,412	49,838
1962Class III	D	49.9%Joseph S. Clark21,514	49.8%James E. Van Zandt21,476	43,086
1958Class I	R	47.2%George M. Leader19,806	52.0%Hugh Scott21,843	41,983
1956Class III	R	46.8%Joseph S. Clark22,435	52.9%James H. Duff25,344	47,916
1952Class I	R	44.4%Guy Kurtz Bard20,650	55.0%Edward Martin25,613	46,543
1950Class III	R	43.2%Francis Myers15,187	55.3%James H. Duff19,444	35,180
1946Class I	R	33.7%Joseph F. Guffey8,899	65.1%Edward Martin17,174	26,399
1944Class III	R	44.1%Francis Myers15,748	55.1%James J. Davis19,683	35,740
1940Class I	R	43.3%Joseph F. Guffey16,122	55.5%Jay Cooke20,655	37,202
1938Class III	R	40.4%George H. Earle14,061	58.1%James J. Davis20,250	34,840
1934Class I	D	51.4%Joseph F. Guffey13,872	43.0%David A. Reed11,606	26,990
1932Class III	R	37.4%Lawrence H. Rupp9,490	40.6%James J. Davis10,287	25,359
1928Class I	R	27.9%William N. McNair8,378	70.0%David A. Reed21,014	30,006
1926Class III	D	62.5%William B. Wilson7,942	32.1%William S. Vare4,079	12,701
1922Class I	R	27.8%Samuel E. Shull3,821	50.4%David A. Reed6,933	13,743
1920Class III	R	24.1%John A. Farrell4,253	45.9%Boies Penrose8,120	17,683
1916Class I	D	43.2%Ellis Orvis5,548	41.8%Philander Knox5,363	12,836
1914Class III	R	29.1%A. Mitchell Palmer3,306	30.6%Boies Penrose3,469	11,349

U.S. Senate special elections

Each row shows U.S. Senate special votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.

Source · Amlani & Algara 2021 (Harvard Dataverse doi:10.7910/DVN/DGUMFI); upstream CQ Press + ICPSR · CC0 1.0.
Year	Vote lead	Democratic	Republican	Total
1991Special · Class I	D	59.9%Harris Wofford20,150	40.1%Richard Thornburgh13,497	33,647
1930Special · Class III	R	26.7%Sedgwick Kistler4,924	69.6%James J. Davis12,850	18,451
1922Special · Class III	R	32.1%Fred B. Kerr4,382	51.0%George W. Pepper6,978	13,669

Governor

Each row shows Governor votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.

Sources · MIT Election Data and Science Lab (MEDSL); Amlani & Algara 2021 (Harvard Dataverse doi:10.7910/DVN/DGUMFI); upstream CQ Press + ICPSR · CC BY 4.0 / CC0 1.0.
Year	Vote lead	Democratic	Republican	Total
2022	R	40.3%Joshua D Shapiro18,282	58.0%Douglas V Mastriano26,273	45,331
2018	R	44.3%Thomas W Wolf18,200	54.0%Scott R Wagner22,211	41,100
2014	R	48.4%Tom Wolf14,466	51.6%Tom Corbett15,397	29,863
2010	R	41.6%Dan Onorato15,047	58.4%Tom Corbett21,146	36,193
2006	D	52.1%Ed Rendell19,888	47.8%Lynn Swann18,237	38,156
2002	R	45.1%Ed Rendell14,161	52.4%Mike Fisher16,429	31,377
1998	R	34.2%Ivan Itkin10,349	52.8%Tom Ridge15,958	30,238
1994	R	34.7%Mark Singel12,294	55.3%Tom Ridge19,617	35,457
1990	D	69.7%Bob Casey24,078	30.3%Barbara Hafer10,479	34,557
1986	D	54.8%Bob Casey19,406	44.0%Bill Scranton III15,577	35,381
1982	D	51.6%Allen Ertel20,043	46.9%Dick Thornburgh18,217	38,867
1978	D	49.5%Pete Flaherty17,119	49.3%Dick Thornburgh17,052	34,591

voter registration

Registered voters

By party of registration, over time

Party registration · 2026R+21.1

Presidential vote · 2024R+30.2

Registration leans Republican; the presidential vote runs 9.1 points more Democratic.

71,800 registered voters · 2026

Democratic32.2%Republican53.3%Unaffiliated11.7%Other2.8%

domestic migration

Who moves in and out

Net migration over time, and who arrivals are — where they came from and what those places vote

+85 net domestic migration · 2025

20112025

Net −4,371 over 2011–2025 · gain loss

Arrivals reported $55,958 in average income, against $68,567 for residents who stayed — 18% lower. (IRS SOI, 2022–23)

The places arrivals came from lean R+20.9 on average — 9.3 points more Democratic-leaning than Mercer County, PA itself (R+30.2).

Where arrivals came from lean of each source

Trumbull County, OH179R+16.8
Lawrence County, PA173R+33.8
Crawford County, PA159R+39.2
Butler County, PA152R+32.2
Allegheny County, PA129D+20.3
Venango County, PA77R+42.1

Where departures went households, 2022–23

Trumbull County, OH237
Lawrence County, PA178
Allegheny County, PA177
Butler County, PA158
Crawford County, PA134
Mahoning County, OH87

Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.

Domestic migration in Mercer County, PA in Mercer County, PA: net domestic migration by year
Year	Net domestic migration
2011	−208
2012	−282
2013	−213
2014	−251
2015	−778
2016	−841
2017	−833
2018	−660
2019	−691
2021	+118
2022	+36
2023	−9
2024	+156
2025	+85

Mercer County's working-class, post-industrial economy tracked closely with statewide results through the 1990s, but the county has shifted decisively rightward over the past two decades, posting a 30-point Republican margin in 2024.

Across the recorded series it reached a Democratic high of 27.8 points in 1964 and a Republican high of 48.8 points in 1924. Between 2020 and 2024 the county moved 4.1 points toward the Republican candidate; the 2024 margin was 30.2 points.

A population of 109,257, a 88% non-Hispanic-white share, and a median household income of $59,976 describe the county. The county's voting pattern over the last decade is most similar to that of Jefferson County and Fayette County.

Political twins — counties

The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

12-yr trendItalian ancestry2004–2008 trajectory≠ Scottish ancestry

Ashtabula County

Ohio

87.8twin score

2000–2004 trajectoryItalian ancestrypopulation scale≠ 12-yr trend

Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.

Browse places by community — income, education, race & ethnicity, language — all community cuts →

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

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Cities & towns in Mercer County

Pennsylvania at the ballot boxAll elections →

Presidentcounty detail2024 US Senatestatewide2024 Governorstate + county2022 US Houseall districts2024

Frequently asked questions

How did Mercer County, Pennsylvania vote in 2024?

In 2024, Mercer County, Pennsylvania voted Republican by 30.2 points (R+30.2), carried by the Republican candidate. Out of 58,410 votes cast, 20,145 went Democratic and 37,761 went Republican.

When did Mercer County, Pennsylvania last vote Democratic?

The most recent presidential election in which Mercer County, Pennsylvania voted Democratic was 2000.

How many people live in Mercer County, Pennsylvania?

Mercer County, Pennsylvania has a population of 109,257 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Mercer County, Pennsylvania?

Median household income in Mercer County, Pennsylvania is $59,976 — below the national median of $80,734. The Pennsylvania state median is $77,971.

What is the political history of Mercer County, Pennsylvania?

Akashic tracks 38 presidential elections in Mercer County, Pennsylvania from 1876 to 2024. Of those, 9 went Democratic and 24 went Republican.

Measure

Mercer County

Pennsylvania

United States

Median age

45.1

41.2

39.1

Age 18–24

9.2%

8.9%

9.2%

Age 65 and older

23.2%

19.5%

17.2%

Measure

Mercer County

Pennsylvania

United States

Median household income

$59,976

$77,971

$84,427

Poverty rate

13.2%

11.7%

12.5%

Bachelor's degree or higher (25+)

25.6%

35.2%

35.6%

Measure

Mercer County

Pennsylvania

United States

Speaks a non-English language at home

4.1%

12.4%

22.3%

German or other West Germanic

2.2%

0.9%

0.5%

Measure

Mercer County

Pennsylvania

United States

Catholic

13.0%

21.9%

18.6%

Evangelical Protestant

12.9%

9.3%

16.5%

Unclaimed / not counted

60.2%

53.1%

51.5%

Mainline Protestant

12.1%

10.3%

5.2%

Key facts

2024 presidential margin

R+30.2MIT Election Lab

Population

109,2572024 5-year

Median household income

$59,9762024 5-year

White (non-Hispanic)

87.9%2024 5-year

Black

5.6%2024 5-year

Hispanic / Latino

1.7%2024 5-year

Peak Democratic margin

D+27.8 in 1964MIT Election Lab

Peak Republican margin

R+48.8 in 1924MIT Election Lab

Most similar

Jefferson County, OH · twin score 92.0

Election

Participants

CVAP

Turnout

Quality

2016 · Presidential

53,371

90,691

58.8%

A/A

2018 · Midterm

41,638

89,673

46.4%

A/A

2020 · Presidential

58,454

88,667

65.9%

A/A

2022 · Midterm

45,951

89,329

51.4%

A/A

2024 · Presidential

58,525

88,046

66.5%

A/A

Mercer County precinct-level presidential election results for 2024

Precinct 0530420850530

279

961

1,250

22.3%

76.9%

R+54.6

Precinct 0020420850020

304

915

1,229

24.7%

74.5%

R+49.7

Precinct 0425420850425

483

712

1,205

40.1%

59.1%

R+19.0

Precinct 0040420850040

309

857

1,171

26.4%

73.2%

R+46.8

Precinct 0960420850960

325

837

1,170

27.8%

71.5%

R+43.8

Precinct 1070420851070

291

811

1,114

26.1%

72.8%

R+46.7

Precinct 1005420851005

250

842

1,099

22.7%

76.6%

R+53.9

Precinct 0515420850515

275

775

1,061

25.9%

73.0%

R+47.1

Precinct 0340420850340

262

769

1,038

25.2%

74.1%

R+48.8

Precinct 0950420850950

339

636

982

34.5%

64.8%

R+30.2

Precinct 0640420850640

247

724

977

25.3%

74.1%

R+48.8

Precinct 0550420850550

260

695

965

26.9%

72.0%

R+45.1

Precinct 0650420850650

282

667

954

29.6%

69.9%

R+40.4

Precinct 0405420850405

392

546

944

41.5%

57.8%

R+16.3

Precinct 0972420850972

284

648

940

30.2%

68.9%

R+38.7

Precinct 0355420850355

372

552

931

40.0%

59.3%

R+19.3

Precinct 0050420850050

220

699

925

23.8%

75.6%

R+51.8

Precinct 0651420850651

231

680

915

25.2%

74.3%

R+49.1

Precinct 0912420850912

387

493

893

43.3%

55.2%

R+11.9

Precinct 0435420850435

357

509

873

40.9%

58.3%

R+17.4

Precinct 0445420850445

304

554

862

35.3%

64.3%

R+29.0

Precinct 0365420850365

322

497

820

39.3%

60.6%

R+21.3

Precinct 0310420850310

292

520

817

35.7%

63.6%

R+27.9

Precinct 0670420850670

239

568

811

29.5%

70.0%

R+40.6

Precinct 0885420850885

367

424

801

45.8%

52.9%

R+7.1

Precinct 0160420850160

177

602

785

22.5%

76.7%

R+54.1

Precinct 0862420850862

440

335

785

56.1%

42.7%

D+13.4

Precinct 0480420850480

165

612

783

21.1%

78.2%

R+57.1

Precinct 0660420850660

212

565

779

27.2%

72.5%

R+45.3

Precinct 1090420851090

160

608

776

20.6%

78.4%

R+57.7

Precinct 0630420850630

155

606

770

20.1%

78.7%

R+58.6

Precinct 0270420850270

198

525

737

26.9%

71.2%

R+44.4

Precinct 0300420850300

269

447

732

36.7%

61.1%

R+24.3

Precinct 0974420850974

272

454

732

37.2%

62.0%

R+24.9

Precinct 0330420850330

217

505

730

29.7%

69.2%

R+39.5

Precinct 0700420850700

136

584

722

18.8%

80.9%

R+62.0

Precinct 0235420850235

247

450

706

35.0%

63.7%

R+28.8

Precinct 0385420850385

341

362

706

48.3%

51.3%

R+3.0

Precinct 0245420850245

260

428

692

37.6%

61.8%

R+24.3

Precinct 0455420850455

339

337

683

49.6%

49.3%

D+0.3

Precinct 1055420851055

229

427

657

34.9%

65.0%

R+30.1

Precinct 0395420850395

326

311

646

50.5%

48.1%

D+2.3

Precinct 0775420850775

309

318

634

48.7%

50.2%

R+1.4

Precinct 0475420850475

256

370

633

40.4%

58.5%

R+18.0

Precinct 0895420850895

293

332

626

46.8%

53.0%

R+6.2

Precinct 0280420850280

217

394

619

35.1%

63.7%

R+28.6

Precinct 0190420850190

139

447

589

23.6%

75.9%

R+52.3

Precinct 0755420850755

290

296

589

49.2%

50.3%

R+1.0

Precinct 0465420850465

281

287

576

48.8%

49.8%

R+1.0

Precinct 1030420851030

155

415

575

27.0%

72.2%

R+45.2

Precinct 0290420850290

231

324

563

41.0%

57.5%

R+16.5

Precinct 0835420850835

281

273

562

50.0%

48.6%

D+1.4

Precinct 0565420850565

180

371

555

32.4%

66.8%

R+34.4

Precinct 1020420851020

150

393

547

27.4%

71.8%

R+44.4

Precinct 1115420851115

121

425

547

22.1%

77.7%

R+55.6

Precinct 0765420850765

252

286

539

46.8%

53.1%

R+6.3

Precinct 0415420850415

209

320

536

39.0%

59.7%

R+20.7

Precinct 0792420850792

297

230

530

56.0%

43.4%

D+12.6

Precinct 0575420850575

191

317

515

37.1%

61.6%

R+24.5

Precinct 0732420850732

252

251

513

49.1%

48.9%

D+0.2

Precinct 0215420850215

149

326

480

31.0%

67.9%

R+36.9

Precinct 0375420850375

182

287

476

38.2%

60.3%

R+22.1

Precinct 1100420851100

109

357

473

23.0%

75.5%

R+52.4

Precinct 0150420850150

301

168

472

63.8%

35.6%

D+28.2

Precinct 0320420850320

127

337

468

27.1%

72.0%

R+44.9

Precinct 0590420850590

386

463

16.2%

83.4%

R+67.2

Precinct 1040420851040

163

293

458

35.6%

64.0%

R+28.4

Precinct 0140420850140

347

445

78.0%

21.3%

D+56.6

Precinct 0690420850690

369

445

16.6%

82.9%

R+66.3

Precinct 0822420850822

287

145

435

66.0%

33.3%

D+32.6

Precinct 0180420850180

342

433

20.3%

79.0%

R+58.7

Precinct 0680420850680

335

418

19.1%

80.1%

R+61.0

Precinct 0125420850125

350

413

84.7%

14.5%

D+70.2

Precinct 0060420850060

342

408

14.7%

83.8%

R+69.1

Precinct 0225420850225

171

222

400

42.8%

55.5%

R+12.8

Precinct 0825420850825

234

139

375

62.4%

37.1%

D+25.3

Precinct 0010420850010

124

242

368

33.7%

65.8%

R+32.1

Precinct 0710420850710

271

368

23.9%

73.6%

R+49.7

Precinct 0540420850540

275

342

19.0%

80.4%

R+61.4

Precinct 0735420850735

140

184

328

42.7%

56.1%

R+13.4

Precinct 0110420850110

242

321

75.4%

23.1%

D+52.3

Precinct 0500420850500

113

201

317

35.6%

63.4%

R+27.8

Precinct 0620420850620

224

305

24.9%

73.4%

R+48.5

Precinct 1080420851080

154

135

292

52.7%

46.2%

D+6.5

Precinct 0610420850610

219

288

23.3%

76.0%

R+52.8

Precinct 0170420850170

202

276

25.0%

73.2%

R+48.2

Precinct 0030420850030

206

258

19.8%

79.8%

R+60.1

Precinct 0072420850072

169

199

84.9%

15.1%

D+69.8

Precinct 0490420850490

116

37.1%

61.2%

R+24.1

Precinct 0600420850600

15.7%

83.1%

R+67.5

Precinct 0940420850940

19.7%

80.3%

R+60.6

CLARK Voting District42_4208510

—

No votes

COOLSPRING TWP Voting District42_4208520

—

No votes

DEER CREEK TWP Voting District42_4208530

—

No votes

DELAWARE TWP Voting District42_4208540

—

No votes

EAST LACKAWANNOCK TWP Voting District42_4208550

—

No votes

FAIRVIEW TWP Voting District42_4208560

—

No votes

FARRELL VTD 01 ED 0142_4208575

—

No votes

FARRELL VTD 01 ED 0242_4208595

—

No votes

FARRELL VTD 01 ED 0342_42085110

—

No votes

FARRELL VTD 02 ED 0142_42085120

—

No votes

FARRELL VTD 02 ED 0242_42085130

—

No votes

FARRELL VTD 02 ED 0342_42085140

—

No votes

FARRELL VTD 02 ED 0442_42085150

—

No votes

FINDLEY TWP Voting District42_42085160

—

No votes

FREDONIA Voting District42_42085170

—

No votes

FRENCH CREEK TWP Voting District42_42085180

—

No votes

GREENE TWP Voting District42_42085190

—

No votes

GREENVILLE VTD 0142_42085215

—

No votes

GREENVILLE VTD 0242_42085225

—

No votes

GREENVILLE VTD 0342_42085235

—

No votes

GREENVILLE VTD 0442_42085245

—

No votes

GROVE CITY VTD 0142_42085270

—

No votes

GROVE CITY VTD 0242_42085280

—

No votes

GROVE CITY VTD 0342_42085290

—

No votes

GROVE CITY VTD 0442_42085300

—

No votes

GROVE CITY VTD 0542_42085310

—

No votes

HEMPFIELD TWP VTD 0142_42085320

—

No votes

HEMPFIELD TWP VTD 0242_42085330

—

No votes

HEMPFIELD TWP VTD 0342_42085340

—

No votes

HERMITAGE VTD NE ED 0142_42085355

—

No votes

HERMITAGE VTD NE ED 0242_42085365

—

No votes

HERMITAGE VTD NW ED 0142_42085375

—

No votes

HERMITAGE VTD NW ED 0242_42085385

—

No votes

HERMITAGE VTD NW ED 0342_42085395

—

No votes

HERMITAGE VTD NW ED 0442_42085405

—

No votes

HERMITAGE VTD SE ED 0142_42085415

—

No votes

HERMITAGE VTD SE ED 0242_42085425

—

No votes

HERMITAGE VTD SE ED 0342_42085435

—

No votes

HERMITAGE VTD SE ED 0442_42085445

—

No votes

HERMITAGE VTD SW ED 0142_42085455

—

No votes

HERMITAGE VTD SW ED 0242_42085465

—

No votes

HERMITAGE VTD SW ED 0342_42085475

—

No votes

JACKSON CENTER Voting District42_42085490

—

No votes

JACKSON TWP Voting District42_42085480

—

No votes

JAMESTOWN Voting District42_42085500

—

No votes

JEFFERSON TWP VTD EAST42_42085510

—

No votes

JEFFERSON TWP VTD WEST42_42085520

—

No votes

LACKAWANNOCK TWP Voting District42_42085530

—

No votes

LAKE TWP Voting District42_42085540

—

No votes

LIBERTY TWP Voting District42_42085550

—

No votes

MERCER VTD NORTH42_42085565

—

No votes

MERCER VTD SOUTH42_42085575

—

No votes

MILLCREEK TWP Voting District42_42085590

—

No votes

NEW LEBANON Voting District42_42085600

—

No votes

NEW VERNON TWP Voting District42_42085610

—

No votes

OTTER CREEK TWP Voting District42_42085620

—

No votes

PERRY TWP Voting District42_42085630

—

No votes

PINE TWP VTD 0142_42085640

—

No votes

PINE TWP VTD 0242_42085650

—

No votes

PYMATUNING TWP VTD 0142_42085660

—

No votes

PYMATUNING TWP VTD 0242_42085670

—

No votes

SALEM TWP Voting District42_42085680

—

No votes

SANDY CREEK TWP Voting District42_42085690

—

No votes

SANDY LAKE TWP Voting District42_42085700

—

No votes

SANDY LAKE Voting District42_42085710

—

No votes

SHARON VTD 01 ED 0142_42085735

—

No votes

SHARON VTD 02 ED 0142_42085745

—

No votes

SHARON VTD 02 ED 0242_42085755

—

No votes

SHARON VTD 02 ED 0342_42085765

—

No votes

SHARON VTD 02 ED 0442_42085775

—

No votes

SHARON VTD 02 ED 0542_42085785

—

No votes

SHARON VTD 03 ED 0142_42085795

—

No votes

SHARON VTD 03 ED 0242_42085805

—

No votes

SHARON VTD 04 ED 0142_42085815

—

No votes

SHARON VTD 04 ED 0242_42085825

—

No votes

SHARON VTD 04 ED 0342_42085835

—

No votes

SHARON VTD 04 ED 0442_42085845

—

No votes

SHARON VTD 04 ED 0542_42085855

—

No votes

SHARON VTD 04 ED 0642_42085865

—

No votes

SHARPSVILLE VTD 0142_42085885

—

No votes

SHARPSVILLE VTD 0242_42085895

—

No votes

SHARPSVILLE VTD 0342_42085910

—

No votes

SHARPSVILLE VTD 0442_42085920

—

No votes

SHEAKLEYVILLE Voting District42_42085940

—

No votes

SHENANGO TWP VTD EAST42_42085950

—

No votes

SHENANGO TWP VTD WEST42_42085960

—

No votes

SOUTH PYMATUNING TWP VTD 0142_42085970

—

No votes

SOUTH PYMATUNING TWP VTD 0242_42085980

—

No votes

SOUTH PYMATUNING TWP VTD 0342_42085990

—

No votes

SPRINGFIELD TWP VTD EAST42_420851000

—

No votes

SPRINGFIELD TWP VTD WEST42_420851010

—

No votes

STONEBORO Voting District42_420851020

—

No votes

SUGAR GROVE TWP Voting District42_420851030

—

No votes

WEST MIDDLESEX Voting District42_420851040

—

No votes

WEST SALEM TWP VTD EAST42_420851055

—

No votes

WEST SALEM TWP VTD WEST42_420851070

—

No votes

WHEATLAND Voting District42_420851080

—

No votes

WILMINGTON TWP Voting District42_420851090

—

No votes

WOLF CREEK TWP Voting District42_420851100

—

No votes

WORTH TWP Voting District42_420851115

—

No votes

Presidential margin, 1892–2024

Democratic minus Republican, by election

Presidential margin over time
Year	Margin (D minus R)
1892	−8.2%
1896	−13.5%
1900	−16.4%
1904	−33.5%
1908	−7.5%
1912	+17.0%
1916	+3.8%
1920	−35.2%
1924	−48.8%
1928	−46.3%
1932	−11.8%
1936	+5.9%
1940	−10.7%
1944	−8.3%
1948	−7.8%
1952	−11.9%
1956	−18.5%
1960	−9.1%
1964	+27.8%
1968	−0.6%
1972	−21.0%
1976	+5.3%
1980	−5.8%
1984	+0.9%
1988	+6.5%
1992	+14.4%
1996	+12.6%
2000	+1.4%
2004	−2.9%
2008	−0.3%
2012	−3.3%
2016	−24.2%
2020	−26.0%
2024	−30.2%

DemocraticRepublican

Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle; not shown when either cycle is estimated or under source review. vs U.S. · margin relative to the national result that year.

Year

Won

Democratic

Republican

Other

Margin

Swing

vs U.S.

Total

2024

34.5%Harris20,145

64.6%Trump37,761

0.5%Oliver312 +1

R+30.2

R+4.1

R+28.7

58,410

All 4 candidates in 2024 · 2 minor / independent

Donald J TrumpRepublican64.6%37,761
Kamala D HarrisDemocratic34.5%20,145
Chase OliverLibertarian0.5%312
Jill SteinIndependent0.3%192

2020

36.4%Biden21,067

62.4%Trump36,143

1.3%Jorgensen744

R+26.0

R+1.8

R+30.5

57,954

2016

35.5%Clinton18,733

59.7%Trump31,544

2.6%Johnson1,370

R+24.2

R+20.9

R+26.3

52,839

2012

47.5%Obama24,232

50.8%Romney25,925

1.0%Johnson487

R+3.3

R+3.0

R+7.2

51,039

2008

49.1%Obama26,411

49.4%McCain26,565

1.6%

R+0.3

D+2.6

R+7.6

53,821

2004

48.2%Kerry24,831

51.0%Bush26,311

0.8%

R+2.9

R+4.3

R+0.4

51,564

2000

48.9%Gore23,817

47.5%Bush23,132

2.2%Nader1,073

D+1.4

R+11.2

D+0.9

48,732

1996

50.2%Clinton23,003

37.6%Dole17,213

11.2%Perot5,108

D+12.6

R+1.8

D+4.1

45,779

1992

46.7%Clinton23,264

32.3%Bush16,081

20.6%Perot10,277

D+14.4

D+7.9

D+8.9

49,836

1988

52.9%Dukakis24,278

46.4%Bush21,301

0.7%

D+6.5

D+5.6

D+14.2

45,880

1984

50.0%Mondale24,658

49.1%Reagan24,211

0.9%

D+0.9

D+6.7

D+19.1

49,303

1980

42.8%Carter19,716

48.5%Reagan22,372

8.7%

R+5.8

R+11.1

D+4.0

46,090

1976

51.9%Carter25,041

46.6%Ford22,469

1.5%

D+5.3

D+26.3

D+3.3

48,235

1972

38.4%McGovern18,087

59.4%Nixon27,961

2.2%

R+21.0

R+20.3

D+2.2

47,100

1968

46.5%Humphrey22,814

47.1%Nixon23,131

6.4%

R+0.6

R+28.4

D+0.1

49,105

1964

63.7%Johnson32,199

35.9%Goldwater18,153

0.4%

D+27.8

D+36.9

D+5.2

50,563

1960

45.3%Kennedy24,243

54.4%Nixon29,109

0.2%

R+9.1

D+9.4

R+9.3

53,480

1956

40.6%Stevenson19,769

59.1%Eisenhower28,785

0.2%

R+18.5

R+6.6

R+3.1

48,674

1952

43.7%Stevenson20,770

55.6%Eisenhower26,424

0.7%

R+11.9

R+4.1

R+1.1

47,537

1948

44.9%Truman16,108

52.7%Dewey18,916

2.4%

R+7.8

D+0.5

R+12.3

35,886

1944

45.6%Roosevelt16,589

53.9%Dewey19,606

0.6%

R+8.3

D+2.4

R+15.8

36,407

1940

44.4%Roosevelt16,968

55.1%Willkie21,058

0.5%

R+10.7

R+16.6

R+20.6

38,215

1936

51.8%Roosevelt20,879

45.9%Landon18,493

2.3%

D+5.9

D+17.7

R+18.3

40,311

1932

41.7%Roosevelt10,961

53.5%Hoover14,057

4.7%

R+11.8

D+34.5

R+29.6

26,258

1928

26.4%Smith8,204

72.7%Hoover22,599

0.9%

R+46.3

D+2.5

R+28.8

31,083

1924

16.4%Davis3,688

65.3%Coolidge14,639

16.0%La Follette3,580

R+48.8

R+13.7

R+23.7

22,420

1920

25.1%Cox4,823

60.3%Harding11,575

14.6%

R+35.2

R+39.0

R+9.0

19,199

1916

46.5%Wilson6,390

42.7%Hughes5,866

10.9%

D+3.8

R+13.2

D+0.7

13,751

1912

31.8%Wilson4,039

14.7%Taft1,873

53.5%

Roosevelt +21.8

D+24.5

R+2.5

12,718

1908

39.8%Bryan5,473

47.3%Taft6,497

12.9%

R+7.5

D+26.0

D+2.1

13,744

1904

27.2%Parker3,845

60.7%Roosevelt8,574

12.1%

R+33.5

R+17.1

R+13.8

14,133

1900

39.6%Bryan4,916

55.9%McKinley6,950

4.5%

R+16.4

R+2.9

R+8.8

12,425

1896

42.1%Bryan5,500

55.5%McKinley7,262

2.4%

R+13.5

R+5.3

R+7.4

13,077

1892

42.6%Cleveland4,931

50.8%Harrison5,874

6.5%

R+8.2

—

R+9.8

11,562

1888

—

No data

—

1884

—

No data

—

1880

—

No data

—

1876

—

No data

—

Source · Akashic actual-race rollup from certified returns, House; geographic aggregation.

Year

Vote lead

Democratic

Republican

Total

2024

32.4%18,721

67.6%38,981

57,702

2020

36.2%20,804

63.8%36,600

57,404

2018

43.9%17,842

56.1%22,799

40,641

Sources · MIT Election Data and Science Lab (MEDSL); Amlani & Algara 2021 (Harvard Dataverse doi:10.7910/DVN/DGUMFI); upstream CQ Press + ICPSR · CC BY 4.0 / CC0 1.0.

Year

Vote lead

Democratic

Republican

Total

2024

35.0%20,302

62.8%36,468

58,088

2022

37.7%17,080

59.6%27,049

45,352

2018Class I

44.1%Bob Casey Jr.18,136

54.2%Lou Barletta22,290

41,097

2016Class III

37.0%Katie McGinty19,193

59.0%Pat Toomey30,567

51,806

2012Class I

48.4%Bob Casey Jr.24,314

49.4%Tom Smith24,772

50,187

2010Class III

44.3%Joe Sestak16,000

55.7%Pat Toomey20,095

36,095

2006Class I

57.0%Bob Casey Jr.21,640

42.9%Rick Santorum16,274

37,941

2004Class III

42.1%Joseph Hoeffel21,511

51.7%Arlen Specter26,401

51,073

2000Class I

48.1%Rob Klink22,191

50.2%Rick Santorum23,157

46,103

1998Class III

41.6%Bill Lloyd12,122

54.5%Arlen Specter15,904

29,171

1994Class I

46.4%Harris Wofford16,288

51.7%Rick Santorum18,133

35,092

1992Class III

52.7%Lynn Yeakel24,113

43.2%Arlen Specter19,749

45,717

1988Class I

35.6%Joseph C. Vignola15,388

63.4%John Heinz27,378

43,173

1986Class III

44.5%Bob Edgar15,230

54.3%Arlen Specter18,560

34,210

1982Class I

43.8%Cyril H. Wecht16,415

54.2%John Heinz20,329

37,481

1980Class III

53.9%Peter Flaherty23,260

44.3%Arlen Specter19,098

43,153

1976Class I

45.1%William J. Green III20,720

54.0%John Heinz24,841

45,967

1974Class III

47.0%Peter Flaherty16,941

51.4%Richard Schweiker18,496

36,008

1970Class I

48.0%William G. Sesler17,931

49.4%Hugh Scott18,464

37,377

1968Class III

46.9%Joseph S. Clark22,257

51.6%Richard Schweiker24,502

47,453

1964Class I

50.7%Genevieve Blatt25,255

49.0%Hugh Scott24,412

49,838

1962Class III

49.9%Joseph S. Clark21,514

49.8%James E. Van Zandt21,476

43,086

1958Class I

47.2%George M. Leader19,806

52.0%Hugh Scott21,843

41,983

1956Class III

46.8%Joseph S. Clark22,435

52.9%James H. Duff25,344

47,916

1952Class I

44.4%Guy Kurtz Bard20,650

55.0%Edward Martin25,613

46,543

1950Class III

43.2%Francis Myers15,187

55.3%James H. Duff19,444

35,180

1946Class I

33.7%Joseph F. Guffey8,899

65.1%Edward Martin17,174

26,399

1944Class III

44.1%Francis Myers15,748

55.1%James J. Davis19,683

35,740

1940Class I

43.3%Joseph F. Guffey16,122

55.5%Jay Cooke20,655

37,202

1938Class III

40.4%George H. Earle14,061

58.1%James J. Davis20,250

34,840

1934Class I

51.4%Joseph F. Guffey13,872

43.0%David A. Reed11,606

26,990

1932Class III

37.4%Lawrence H. Rupp9,490

40.6%James J. Davis10,287

25,359

1928Class I

27.9%William N. McNair8,378

70.0%David A. Reed21,014

30,006

1926Class III

62.5%William B. Wilson7,942

32.1%William S. Vare4,079

12,701

1922Class I

27.8%Samuel E. Shull3,821

50.4%David A. Reed6,933

13,743

1920Class III

24.1%John A. Farrell4,253

45.9%Boies Penrose8,120

17,683

1916Class I

43.2%Ellis Orvis5,548

41.8%Philander Knox5,363

12,836

1914Class III

29.1%A. Mitchell Palmer3,306

30.6%Boies Penrose3,469

11,349

Source · Amlani & Algara 2021 (Harvard Dataverse doi:10.7910/DVN/DGUMFI); upstream CQ Press + ICPSR · CC0 1.0.

Year

Vote lead

Democratic

Republican

Total

1991Special · Class I

59.9%Harris Wofford20,150

40.1%Richard Thornburgh13,497

33,647

1930Special · Class III

26.7%Sedgwick Kistler4,924

69.6%James J. Davis12,850

18,451

1922Special · Class III

32.1%Fred B. Kerr4,382

51.0%George W. Pepper6,978

13,669

Sources · MIT Election Data and Science Lab (MEDSL); Amlani & Algara 2021 (Harvard Dataverse doi:10.7910/DVN/DGUMFI); upstream CQ Press + ICPSR · CC BY 4.0 / CC0 1.0.

Year

Vote lead

Democratic

Republican

Total

2022

40.3%Joshua D Shapiro18,282

58.0%Douglas V Mastriano26,273

45,331

2018

44.3%Thomas W Wolf18,200

54.0%Scott R Wagner22,211

41,100

2014

48.4%Tom Wolf14,466

51.6%Tom Corbett15,397

29,863

2010

41.6%Dan Onorato15,047

58.4%Tom Corbett21,146

36,193

2006

52.1%Ed Rendell19,888

47.8%Lynn Swann18,237

38,156

2002

45.1%Ed Rendell14,161

52.4%Mike Fisher16,429

31,377

1998

34.2%Ivan Itkin10,349

52.8%Tom Ridge15,958

30,238

1994

34.7%Mark Singel12,294

55.3%Tom Ridge19,617

35,457

1990

69.7%Bob Casey24,078

30.3%Barbara Hafer10,479

34,557

1986

54.8%Bob Casey19,406

44.0%Bill Scranton III15,577

35,381

1982

51.6%Allen Ertel20,043

46.9%Dick Thornburgh18,217

38,867

1978

49.5%Pete Flaherty17,119

49.3%Dick Thornburgh17,052

34,591

Frequently asked questions

How did Mercer County, Pennsylvania vote in 2024?

In 2024, Mercer County, Pennsylvania voted Republican by 30.2 points (R+30.2), carried by the Republican candidate. Out of 58,410 votes cast, 20,145 went Democratic and 37,761 went Republican.

When did Mercer County, Pennsylvania last vote Democratic?

The most recent presidential election in which Mercer County, Pennsylvania voted Democratic was 2000.

How many people live in Mercer County, Pennsylvania?

Mercer County, Pennsylvania has a population of 109,257 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Mercer County, Pennsylvania?

Median household income in Mercer County, Pennsylvania is $59,976 — below the national median of $80,734. The Pennsylvania state median is $77,971.

What is the political history of Mercer County, Pennsylvania?

Akashic tracks 38 presidential elections in Mercer County, Pennsylvania from 1876 to 2024. Of those, 9 went Democratic and 24 went Republican.