Akashic

county

Union County, IL

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

German20.3%16.1%12.5%

English11.4%6.9%9.5%

Irish8.7%10.6%9.4%

American5.0%3.3%5.3%

Scottish2.4%—1.3%

Polish1.8%6.0%2.2%

Italian1.6%5.4%4.8%

French1.4%0.7%1.6%

Mexican3.8%14.4%11.3%

Honduran1.2%0.2%0.3%

Spanish0.4%——

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	Union County	Illinois	United States
Median age	44.3	39.1	39.1
Age 18–24	6.9%	9.1%	9.2%
Age 65 and older	22.9%	16.9%	17.2%

Household economy

Measure	Union County	Illinois	United States
Median household income	$55,728	$83,390	$84,427
Poverty rate	20.2%	11.8%	12.5%
Bachelor's degree or higher (25+)	20.9%	37.9%	35.6%

Languages at home

Measure	Union County	Illinois	United States
Speaks a non-English language at home	5.6%	24.1%	22.3%
Spanish	5.0%	14.0%	13.6%

Religious landscape

Measure	Union County	Illinois	United States
Catholic	1.7%	24.2%	18.6%
Evangelical Protestant	38.1%	11.7%	16.5%
Unclaimed / not counted	55.5%	49.2%	51.5%

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 63.1% of 13,198 citizens 18+

HarrisDemocratic27.8%2,285TrumpRepublican71.0%5,837KennedyIndependent1.2%102

R+43.2

Lead: 3,552
Total: 8,226
vs nation: R+41.7
Turnout: 63.1%

BidenDemocratic29.0%2,579TrumpRepublican69.2%6,161JorgensenLibertarian1.0%89

R+40.2

Lead: 3,582
Total: 8,904
vs nation: R+44.7
Turnout: 68.8%

ClintonDemocratic27.9%2,402TrumpRepublican67.2%5,790JohnsonLibertarian2.5%219

R+39.3

Lead: 3,388
Total: 8,616
vs nation: R+41.4
Turnout: 63.6%

ObamaDemocratic37.7%3,137RomneyRepublican59.6%4,957JOHNSONLibertarian1.2%99

R+21.9

Lead: 1,820
Total: 8,318
vs nation: R+25.7
Turnout: —

ObamaDemocratic43.0%3,918McCainRepublican54.9%5,003OtherAll other candidates2.1%195

R+11.9

Lead: 1,085
Total: 9,116
vs nation: R+19.2
Turnout: —

KerryDemocratic41.0%3,735BushRepublican58.5%5,333OtherAll other candidates0.6%51

R+17.5

Lead: 1,598
Total: 9,119
vs nation: R+15.1
Turnout: —

GoreDemocratic46.0%3,982BushRepublican50.8%4,397NaderGreen2.2%189

R+4.8

Lead: 415
Total: 8,660
vs nation: R+5.3
Turnout: —

ClintonDemocratic51.3%4,252DoleRepublican38.0%3,147PerotReform10.0%832

D+13.3

Lead: 1,105
Total: 8,282
vs nation: D+4.8
Turnout: —

Key facts

2024 presidential margin: R+43.2MIT Election Lab
Population: 16,9972024 5-year
Median household income: $55,7282024 5-year
White (non-Hispanic): 89.5%2024 5-year
Black: 0.9%2024 5-year
Hispanic / Latino: 5.5%2024 5-year
Peak Democratic margin: D+36.3 in 1932MIT Election Lab
Peak Republican margin: R+43.2 in 2024MIT Election Lab
Most similar: Franklin County, IL · twin score 83.4

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: 63.1%8,333 participants ÷ 13,198 CVAP
2020→2022 drop-off: +15.8 ptsVolatile
Drop-off versus state: -6.3 ptsPositive means a larger decline than the statewide pattern
Mechanical 2026 scenario: 47.3%–60.5%Recent-cycle and two-cycle persistence scenarios; not a forecast

Election	Participants	CVAP	Turnout	Quality
2016 · Presidential	8,616	13,548	63.6%	C/A
2018 · Midterm	9,833	13,282	74.0%	A/A
2020 · Presidential	9,004	13,092	68.8%	A/A
2022 · Midterm	7,113	13,425	53.0%	C/A
2024 · Presidential	8,333	13,198	63.1%	A/A

Sources and methods

2016: numerator source 159, denominator source 157; top ticket votes; canonical-complete-contest-floor-v1; allocation share 0.0%; series 148/111.
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 159, denominator source 157; top ticket votes; canonical-complete-contest-floor-v1; allocation share 0.0%; series 154/183.
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

40 precincts · 8,333 votes

Election

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

Union County precinct-level presidential election results for 2024

Precinct -COBDEN 2COBDEN 2	242	438	24	704	34.4%	62.2%	R+27.8
Precinct -LICK CREEKLICK CREEK	133	466	16	615	21.6%	75.8%	R+54.1
Precinct -JONESBORO 2JONESBORO 2	150	447	10	607	24.7%	73.6%	R+48.9
Precinct -COBDEN 1COBDEN 1	233	352	17	602	38.7%	58.5%	R+19.8
Precinct -ANNA 3ANNA 3	157	357	15	529	29.7%	67.5%	R+37.8
Precinct -JONESBORO 1JONESBORO 1	116	371	5	492	23.6%	75.4%	R+51.8
Precinct -ANNA 7ANNA 7	116	336	11	463	25.1%	72.6%	R+47.5
Precinct -DONGOLA 1DONGOLA 1	93	348	6	447	20.8%	77.9%	R+57.0
Precinct -ANNA 1ANNA 1	145	279	13	437	33.2%	63.8%	R+30.7
Precinct -ANNA 4ANNA 4	112	244	9	365	30.7%	66.8%	R+36.2
Precinct -STOKESSTOKES	73	288	2	363	20.1%	79.3%	R+59.2
Precinct -ANNA 5ANNA 5	108	240	14	362	29.8%	66.3%	R+36.5
Precinct -ANNA 6ANNA 6	114	237	11	362	31.5%	65.5%	R+34.0
Precinct -JONESBORO 3JONESBORO 3	92	257	10	359	25.6%	71.6%	R+46.0
Precinct -UNIONUNION	50	291	12	353	14.2%	82.4%	R+68.3
Precinct -ALTO PASSALTO PASS	128	212	12	352	36.4%	60.2%	R+23.9
Precinct -ANNA 2ANNA 2	94	235	12	341	27.6%	68.9%	R+41.3
Precinct -BALCOMBALCOM	51	173	5	229	22.3%	75.5%	R+53.3
Precinct -DONGOLA 2DONGOLA 2	40	177	5	222	18.0%	79.7%	R+61.7
Precinct -MILL CREEKMILL CREEK	38	89	2	129	29.5%	69.0%	R+39.5
ALTO PASS Voting District17_1718100115	0	0	0	0	—	—	No votes
ANNA 1 Voting District17_1718100101	0	0	0	0	—	—	No votes
ANNA 2 Voting District17_1718100102	0	0	0	0	—	—	No votes
ANNA 3 Voting District17_1718100103	0	0	0	0	—	—	No votes
ANNA 4 Voting District17_1718100104	0	0	0	0	—	—	No votes
ANNA 5 Voting District17_1718100105	0	0	0	0	—	—	No votes
ANNA 6 Voting District17_1718100106	0	0	0	0	—	—	No votes
ANNA 7 Voting District17_1718100121	0	0	0	0	—	—	No votes
BALCOM Voting District17_1718100117	0	0	0	0	—	—	No votes
COBDEN 1 Voting District17_1718100109	0	0	0	0	—	—	No votes
COBDEN 2 Voting District17_1718100110	0	0	0	0	—	—	No votes
DONGOLA 1 Voting District17_1718100111	0	0	0	0	—	—	No votes
DONGOLA 2 Voting District17_1718100112	0	0	0	0	—	—	No votes
JONESBORO 1 Voting District17_1718100107	0	0	0	0	—	—	No votes
JONESBORO 2 Voting District17_1718100108	0	0	0	0	—	—	No votes
JONESBORO 3 Voting District17_1718100122	0	0	0	0	—	—	No votes
LICK CREEK Voting District17_1718100119	0	0	0	0	—	—	No votes
MILL CREEK Voting District17_1718100116	0	0	0	0	—	—	No votes
STOKES Voting District17_1718100120	0	0	0	0	—	—	No votes
UNION 1 Voting District17_1718100113	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	+29.4%
1896	+23.6%
1900	+25.9%
1904	+11.1%
1908	+22.0%
1912	+33.1%
1916	+24.1%
1920	+7.9%
1924	+18.3%
1928	+10.6%
1932	+36.3%
1936	+20.0%
1940	+8.2%
1944	+3.0%
1948	+7.3%
1952	−4.0%
1956	+1.8%
1960	−1.3%
1964	+24.7%
1968	−3.4%
1972	−18.9%
1976	+17.2%
1980	−6.0%
1984	−10.6%
1988	−0.6%
1992	+18.5%
1996	+13.3%
2000	−4.8%
2004	−17.5%
2008	−11.9%
2012	−21.9%
2016	−39.3%
2020	−40.2%
2024	−43.2%

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	27.8%Harris2,285	71.0%Trump5,837	1.2%Kennedy102	R+43.2	R+3.0	R+41.7	8,226
2020	R	29.0%Biden2,579	69.2%Trump6,161	1.0%Jorgensen89	R+40.2	R+0.9	R+44.7	8,904
2016	R	27.9%Clinton2,402	67.2%Trump5,790	2.5%Johnson219	R+39.3	R+17.4	R+41.4	8,616
2012	R	37.7%Obama3,137	59.6%Romney4,957	1.2%JOHNSON99	R+21.9	R+10.0	R+25.7	8,318
2008	R	43.0%Obama3,918	54.9%McCain5,003	2.1%	R+11.9	D+5.6	R+19.2	9,116
2004	R	41.0%Kerry3,735	58.5%Bush5,333	0.6%	R+17.5	R+12.7	R+15.1	9,119
2000	R	46.0%Gore3,982	50.8%Bush4,397	2.2%Nader189	R+4.8	R+18.1	R+5.3	8,660
1996	D	51.3%Clinton4,252	38.0%Dole3,147	10.0%Perot832	D+13.3	R+5.1	D+4.8	8,282
1992	D	51.5%Clinton4,681	33.1%Bush3,003	15.1%Perot1,373	D+18.5	D+19.0	D+12.9	9,083
1988	R	49.5%Dukakis4,197	50.1%Bush4,244	0.4%	R+0.6	D+10.0	D+7.2	8,479
1984	R	44.5%Mondale3,815	55.1%Reagan4,721	0.3%	R+10.6	R+4.6	D+7.6	8,564
1980	R	44.8%Carter3,781	50.8%Reagan4,289	4.4%	R+6.0	R+23.2	D+3.7	8,441
1976	D	58.3%Carter5,003	41.2%Ford3,531	0.5%	D+17.2	D+36.1	D+15.1	8,578
1972	R	40.4%McGovern3,428	59.4%Nixon5,034	0.2%	R+18.9	R+15.5	D+4.2	8,480
1968	R	43.0%Humphrey3,603	46.5%Nixon3,889	10.5%	R+3.4	R+28.2	R+2.7	8,372
1964	D	62.4%Johnson5,208	37.6%Goldwater3,142	0.0%	D+24.7	D+26.0	D+2.2	8,350
1960	R	49.3%Kennedy4,321	50.6%Nixon4,432	0.1%	R+1.3	R+3.1	R+1.4	8,763
1956	D	50.9%Stevenson4,359	49.1%Eisenhower4,204	0.1%	D+1.8	D+5.8	D+17.2	8,569
1952	R	47.9%Stevenson4,296	52.0%Eisenhower4,658	0.1%	R+4.0	R+11.4	D+6.7	8,963
1948	D	53.3%Truman4,479	46.0%Dewey3,864	0.7%	D+7.3	D+4.4	D+2.8	8,398
1944	D	51.2%Roosevelt4,367	48.2%Dewey4,114	0.5%	D+3.0	R+5.3	R+4.5	8,527
1940	D	53.7%Roosevelt5,804	45.5%Willkie4,915	0.8%	D+8.2	R+11.8	R+1.7	10,800
1936	D	59.8%Roosevelt6,260	39.8%Landon4,165	0.3%	D+20.0	R+16.3	R+4.2	10,461
1932	D	67.8%Roosevelt6,157	31.5%Hoover2,859	0.8%	D+36.3	D+25.7	D+18.5	9,085
1928	D	55.1%Smith4,149	44.5%Hoover3,352	0.4%	D+10.6	R+7.7	D+28.1	7,530
1924	D	57.4%Davis3,783	39.2%Coolidge2,579	3.3%La Follette216	D+18.3	D+10.4	D+43.5	6,586
1920	D	53.5%Cox3,660	45.6%Harding3,119	1.0%	D+7.9	R+16.2	D+34.1	6,847
1916	D	61.3%Wilson5,171	37.1%Hughes3,135	1.6%	D+24.1	R+9.0	D+21.0	8,440
1912	D	60.4%Wilson2,648	27.2%Taft1,194	12.4%	D+33.1	D+11.2	D+13.6	4,387
1908	D	59.4%Bryan2,690	37.4%Taft1,695	3.2%	D+22.0	D+10.9	D+31.5	4,529
1904	D	50.6%Parker1,967	39.5%Roosevelt1,537	9.9%	D+11.1	R+14.9	D+30.7	3,887
1900	D	62.4%Bryan2,900	36.5%McKinley1,695	1.1%	D+25.9	D+2.3	D+33.5	4,645
1896	D	61.3%Bryan2,998	37.7%McKinley1,842	1.1%	D+23.6	R+5.8	D+29.7	4,892
1892	D	63.4%Cleveland2,663	34.0%Harrison1,427	2.7%	D+29.4	—	D+27.8	4,202
1888	—	—	—	—	No data	—	—	—
1884	—	—	—	—	No data	—	—	—
1880	—	—	—	—	No data	—	—	—
1876	—	—	—	—	No data	—	—	—

Federal and statewide elections · 3 House · 37 Senate · 3 Senate special · 13 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	25.8%2,113	74.2%6,080	8,193
2020	R	25.9%2,284	74.1%6,536	8,820
2018	R	26.2%86	73.8%242	328

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
2022	R	33.3%2,319	64.8%4,514	6,965
2020Class II	R	35.3%Dick Durbin3,102	62.1%Mark Curran5,465	8,797
2016Class III	R	45.6%Tammy Duckworth3,843	50.2%Mark Kirk4,231	8,435
2014Class II	R	44.9%Dick Durbin2,761	51.4%Jim Oberweis3,161	6,148
2010Class III	R	36.3%Alex Giannoulias2,347	56.6%Mark Kirk3,658	6,463
2008Class II	D	59.0%Dick Durbin5,236	35.1%Steve Sauerberg3,116	8,881
2004Class III	D	54.9%Barack Obama4,761	38.5%Alan Keyes3,338	8,670
2002Class II	D	60.2%Dick Durbin3,989	38.2%Jim Durkin2,531	6,625
1998Class III	R	42.9%Carol Moseley-Braun3,083	55.1%Peter Fitzgerald3,962	7,192
1996Class II	D	54.3%Dick Durbin4,400	43.4%Al Salvi3,513	8,103
1992Class III	D	55.0%Carol Moseley-Braun4,837	41.6%Richard Williamson3,658	8,787
1990Class II	D	75.7%Paul Simon5,872	24.3%Lynn Martin1,887	7,759
1986Class III	D	67.0%Alan J. Dixon4,942	32.4%Judy Koehler2,390	7,373
1984Class II	D	58.0%Paul Simon5,025	41.4%Charles H. Percy3,581	8,657
1980Class III	D	60.1%Alan J. Dixon4,912	38.9%David C. O'Neal3,177	8,175
1978Class II	D	55.6%Alex Seith3,505	43.6%Charles H. Percy2,748	6,308
1974Class III	D	66.0%Adlai Stevenson III3,977	34.0%George M. Burditt2,053	6,030
1972Class II	R	40.4%Roman Pucinski3,332	59.5%Charles H. Percy4,912	8,254
1968Class III	R	46.8%William G. Clark3,748	53.1%Everett Dirksen4,251	8,012
1966Class II	D	52.1%Paul H. Douglas3,721	47.9%Charles H. Percy3,424	7,145
1962Class III	D	56.5%Sidney R. Yates3,728	43.5%Everett Dirksen2,870	6,598
1960Class II	D	56.9%Paul H. Douglas4,893	43.0%Samuel W. Witwer3,699	8,597
1956Class III	D	54.9%Richard Stengel4,543	45.1%Everett Dirksen3,736	8,279
1954Class II	D	56.9%Paul H. Douglas4,203	43.1%Joseph T. Meek3,183	7,386
1950Class III	D	57.4%Scott W. Lucas4,260	42.3%Everett Dirksen3,141	7,421
1948Class II	D	55.7%Paul H. Douglas4,568	43.9%C. Wayland Brooks3,596	8,198
1944Class III	D	53.0%Scott W. Lucas4,431	46.6%Richard J. Lyons3,898	8,366
1942Class II	D	50.4%Raymond McKeough3,461	49.3%C. Wayland Brooks3,388	6,866
1938Class III	D	58.4%Scott W. Lucas4,606	41.4%Richard J. Lyons3,262	7,886
1936Class II	D	59.6%James H. Lewis5,944	40.1%Otis F. Glenn3,994	9,971
1932Class III	D	66.8%William H. Dieterich5,764	32.9%Otis F. Glenn2,837	8,632
1930Class II	D	67.4%James H. Lewis3,468	31.0%Ruth H. McCormick1,596	5,145
1926Class III	D	56.6%George E. Brennan2,233	38.5%Frank L. Smith1,518	3,944
1924Class II	D	58.6%Albert A. Sprague3,791	40.6%Charles S. Deneen2,627	6,470
1920Class III	D	53.6%Peter A. Waller3,655	45.5%William B. McKinley3,099	6,816
1918Class II	D	59.9%James H. Lewis1,862	39.4%Medill McCormick1,225	3,111
1914Class III	D	51.0%Roger C. Sullivan1,730	37.6%Lawrence Y. Sherman1,275	3,389

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
1970Special · Class III	D	57.1%Adlai Stevenson III4,196	42.9%Ralph T. Smith3,149	7,348
1940Special · Class II	D	54.2%James M. Slattery5,706	45.1%C. Wayland Brooks4,753	10,528
1928Special · Class III	D	55.7%Anton J. Cermak3,981	43.9%Otis F. Glenn3,140	7,149

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	26.2%Jb Pritzker1,839	71.1%Darren Bailey4,988	7,019
2018	R	38.3%Jb Pritzker2,875	50.6%Bruce Rauner3,794	7,498
2014	R	30.7%Pat Quinn1,887	63.5%Bruce Rauner3,900	6,137
2010	R	36.2%Pat Quinn2,411	55.3%Bill Brady3,676	6,652
2006	D	43.8%Rod Blagojevich2,961	38.8%Judy Baar Topinka2,624	6,757
2002	D	49.2%Rod Blagojevich3,335	48.2%Jim Ryan3,264	6,775
1998	D	74.0%Glenn Poshard5,527	25.4%George Ryan1,898	7,469
1994	R	25.9%Dawn Clark Netsch1,729	71.9%Jim Edgar4,810	6,688
1990	D	54.4%Neil Hartigan4,262	45.0%Jim Edgar3,530	7,836
1986	R	6.9%''No nominee''526	52.4%Jim Thompson3,973	7,582
1982	R	48.2%Adlai Stevenson III3,704	50.3%Jim Thompson3,867	7,685
1978	D	50.0%Michael Bakalis3,181	49.5%Jim Thompson3,151	6,360
1976	R	43.3%Michael Howlett3,668	56.6%Jim Thompson4,801	8,477

voter registration

Registered voters

Total registered voters, over time

Registered voters

Voter registration in Union County, IL
Year	Total registered
2016	14,982
2018	13,191
2020	12,907
2022	11,889
2024	13,563

domestic migration

Who moves in and out

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

−83 net domestic migration · 2025

20112025

Net −968 over 2011–2025 · gain loss

Arrivals reported $49,360 in average income, against $64,612 for residents who stayed — 24% lower. (IRS SOI, 2022–23)

The places arrivals came from lean R+26.3 on average — 17 points more Democratic-leaning than Union County, IL itself (R+43.2).

Where arrivals came from lean of each source

Jackson County, IL43D+3.5
Williamson County, IL29R+38.7
Pulaski County, IL24R+34.2
Johnson County, IL23R+58.3

Where departures went households, 2022–23

Jackson County, IL44
Williamson County, IL40
Cape Girardeau County, MO22
Johnson County, IL21

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 Union County, IL in Union County, IL: net domestic migration by year
Year	Net domestic migration
2011	−34
2012	−32
2013	−23
2014	−94
2015	−80
2016	−172
2017	−82
2018	−92
2019	−129
2021	−138
2022	−42
2023	−16
2024	+49
2025	−83

Union County sits in Illinois's rugged southern tip, where the Shawnee National Forest dominates the landscape and a dwindling rural population has shifted presidential margins decisively rightward over the past two decades, reaching R+43.2 in 2024.

Across the recorded series it reached a Democratic high of 36.3 points in 1932 and a Republican high of 43.2 points in 2024. Between 2020 and 2024 the county moved 3.0 points toward the Republican candidate; the 2024 margin was 43.2 points.

A population of 16,997, a 90% non-Hispanic-white share, and a median household income of $55,728 describe the county. The county's voting pattern over the last decade is most similar to that of Franklin County and Henry County.

Political twins — counties

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

Franklin County

Illinois

83.4twin score

% Evangelical% Catholic% White≠ Italian ancestry

Henry County

Missouri

82.9twin score

% White2000 margin% Evangelical≠ American ancestry

Jefferson County

Illinois

80.8twin score

% Evangelical12-yr trend% Catholic

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.

Union County, Illinois. Akashic. https://akashic.app/county/17181/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Embed this page

A live widget for your site — no API key, attribution built in, CC BY 4.0. All widgets & sizes →

<iframe src="https://akashic.app/embed/county/17181/stat-card/" width="100%" height="200" style="border:0;border-radius:12px;max-width:560px" title="Union County, IL — Akashic" loading="lazy"></iframe>

Cities & towns in Union County

Anna

R+36

4.2K residents

Illinois at the ballot boxAll elections →

Presidentcounty detail2024 US Senatestatewide2022 Governorstate + county2022 US Houseall districts2024

Frequently asked questions

How did Union County, Illinois vote in 2024?

In 2024, Union County, Illinois voted Republican by 43.2 points (R+43.2), carried by the Republican candidate. Out of 8,226 votes cast, 2,285 went Democratic and 5,837 went Republican.

When did Union County, Illinois last vote Democratic?

The most recent presidential election in which Union County, Illinois voted Democratic was 1996.

How many people live in Union County, Illinois?

Union County, Illinois has a population of 16,997 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Union County, Illinois?

Median household income in Union County, Illinois is $55,728 — below the national median of $80,734. The Illinois state median is $83,390.

What is the political history of Union County, Illinois?

Akashic tracks 38 presidential elections in Union County, Illinois from 1876 to 2024. Of those, 20 went Democratic and 14 went Republican.

Measure

Union County

Illinois

United States

Median age

44.3

39.1

Age 18–24

6.9%

9.1%

9.2%

Age 65 and older

22.9%

16.9%

17.2%

Measure

Union County

Illinois

United States

Median household income

$55,728

$83,390

$84,427

Poverty rate

20.2%

11.8%

12.5%

Bachelor's degree or higher (25+)

20.9%

37.9%

35.6%

Measure

Union County

Illinois

United States

Speaks a non-English language at home

5.6%

24.1%

22.3%

Spanish

5.0%

14.0%

13.6%

Measure

Union County

Illinois

United States

Catholic

1.7%

24.2%

18.6%

Evangelical Protestant

38.1%

11.7%

16.5%

Unclaimed / not counted

55.5%

49.2%

51.5%

Key facts

2024 presidential margin

R+43.2MIT Election Lab

Population

16,9972024 5-year

Median household income

$55,7282024 5-year

White (non-Hispanic)

89.5%2024 5-year

Black

0.9%2024 5-year

Hispanic / Latino

5.5%2024 5-year

Peak Democratic margin

D+36.3 in 1932MIT Election Lab

Peak Republican margin

R+43.2 in 2024MIT Election Lab

Most similar

Franklin County, IL · twin score 83.4

Election

Participants

CVAP

Turnout

Quality

2016 · Presidential

8,616

13,548

63.6%

C/A

2018 · Midterm

9,833

13,282

74.0%

A/A

2020 · Presidential

9,004

13,092

68.8%

A/A

2022 · Midterm

7,113

13,425

53.0%

C/A

2024 · Presidential

8,333

13,198

63.1%

A/A

Union County precinct-level presidential election results for 2024

Precinct -COBDEN 2COBDEN 2

242

438

704

34.4%

62.2%

R+27.8

Precinct -LICK CREEKLICK CREEK

133

466

615

21.6%

75.8%

R+54.1

Precinct -JONESBORO 2JONESBORO 2

150

447

607

24.7%

73.6%

R+48.9

Precinct -COBDEN 1COBDEN 1

233

352

602

38.7%

58.5%

R+19.8

Precinct -ANNA 3ANNA 3

157

357

529

29.7%

67.5%

R+37.8

Precinct -JONESBORO 1JONESBORO 1

116

371

492

23.6%

75.4%

R+51.8

Precinct -ANNA 7ANNA 7

116

336

463

25.1%

72.6%

R+47.5

Precinct -DONGOLA 1DONGOLA 1

348

447

20.8%

77.9%

R+57.0

Precinct -ANNA 1ANNA 1

145

279

437

33.2%

63.8%

R+30.7

Precinct -ANNA 4ANNA 4

112

244

365

30.7%

66.8%

R+36.2

Precinct -STOKESSTOKES

288

363

20.1%

79.3%

R+59.2

Precinct -ANNA 5ANNA 5

108

240

362

29.8%

66.3%

R+36.5

Precinct -ANNA 6ANNA 6

114

237

362

31.5%

65.5%

R+34.0

Precinct -JONESBORO 3JONESBORO 3

257

359

25.6%

71.6%

R+46.0

Precinct -UNIONUNION

291

353

14.2%

82.4%

R+68.3

Precinct -ALTO PASSALTO PASS

128

212

352

36.4%

60.2%

R+23.9

Precinct -ANNA 2ANNA 2

235

341

27.6%

68.9%

R+41.3

Precinct -BALCOMBALCOM

173

229

22.3%

75.5%

R+53.3

Precinct -DONGOLA 2DONGOLA 2

177

222

18.0%

79.7%

R+61.7

Precinct -MILL CREEKMILL CREEK

129

29.5%

69.0%

R+39.5

ALTO PASS Voting District17_1718100115

—

No votes

ANNA 1 Voting District17_1718100101

—

No votes

ANNA 2 Voting District17_1718100102

—

No votes

ANNA 3 Voting District17_1718100103

—

No votes

ANNA 4 Voting District17_1718100104

—

No votes

ANNA 5 Voting District17_1718100105

—

No votes

ANNA 6 Voting District17_1718100106

—

No votes

ANNA 7 Voting District17_1718100121

—

No votes

BALCOM Voting District17_1718100117

—

No votes

COBDEN 1 Voting District17_1718100109

—

No votes

COBDEN 2 Voting District17_1718100110

—

No votes

DONGOLA 1 Voting District17_1718100111

—

No votes

DONGOLA 2 Voting District17_1718100112

—

No votes

JONESBORO 1 Voting District17_1718100107

—

No votes

JONESBORO 2 Voting District17_1718100108

—

No votes

JONESBORO 3 Voting District17_1718100122

—

No votes

LICK CREEK Voting District17_1718100119

—

No votes

MILL CREEK Voting District17_1718100116

—

No votes

STOKES Voting District17_1718100120

—

No votes

UNION 1 Voting District17_1718100113

—

No votes

Presidential margin, 1892–2024

Democratic minus Republican, by election

Presidential margin over time
Year	Margin (D minus R)
1892	+29.4%
1896	+23.6%
1900	+25.9%
1904	+11.1%
1908	+22.0%
1912	+33.1%
1916	+24.1%
1920	+7.9%
1924	+18.3%
1928	+10.6%
1932	+36.3%
1936	+20.0%
1940	+8.2%
1944	+3.0%
1948	+7.3%
1952	−4.0%
1956	+1.8%
1960	−1.3%
1964	+24.7%
1968	−3.4%
1972	−18.9%
1976	+17.2%
1980	−6.0%
1984	−10.6%
1988	−0.6%
1992	+18.5%
1996	+13.3%
2000	−4.8%
2004	−17.5%
2008	−11.9%
2012	−21.9%
2016	−39.3%
2020	−40.2%
2024	−43.2%

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

27.8%Harris2,285

71.0%Trump5,837

1.2%Kennedy102

R+43.2

R+3.0

R+41.7

8,226

2020

29.0%Biden2,579

69.2%Trump6,161

1.0%Jorgensen89

R+40.2

R+0.9

R+44.7

8,904

2016

27.9%Clinton2,402

67.2%Trump5,790

2.5%Johnson219

R+39.3

R+17.4

R+41.4

8,616

2012

37.7%Obama3,137

59.6%Romney4,957

1.2%JOHNSON99

R+21.9

R+10.0

R+25.7

8,318

2008

43.0%Obama3,918

54.9%McCain5,003

2.1%

R+11.9

D+5.6

R+19.2

9,116

2004

41.0%Kerry3,735

58.5%Bush5,333

0.6%

R+17.5

R+12.7

R+15.1

9,119

2000

46.0%Gore3,982

50.8%Bush4,397

2.2%Nader189

R+4.8

R+18.1

R+5.3

8,660

1996

51.3%Clinton4,252

38.0%Dole3,147

10.0%Perot832

D+13.3

R+5.1

D+4.8

8,282

1992

51.5%Clinton4,681

33.1%Bush3,003

15.1%Perot1,373

D+18.5

D+19.0

D+12.9

9,083

1988

49.5%Dukakis4,197

50.1%Bush4,244

0.4%

R+0.6

D+10.0

D+7.2

8,479

1984

44.5%Mondale3,815

55.1%Reagan4,721

0.3%

R+10.6

R+4.6

D+7.6

8,564

1980

44.8%Carter3,781

50.8%Reagan4,289

4.4%

R+6.0

R+23.2

D+3.7

8,441

1976

58.3%Carter5,003

41.2%Ford3,531

0.5%

D+17.2

D+36.1

D+15.1

8,578

1972

40.4%McGovern3,428

59.4%Nixon5,034

0.2%

R+18.9

R+15.5

D+4.2

8,480

1968

43.0%Humphrey3,603

46.5%Nixon3,889

10.5%

R+3.4

R+28.2

R+2.7

8,372

1964

62.4%Johnson5,208

37.6%Goldwater3,142

0.0%

D+24.7

D+26.0

D+2.2

8,350

1960

49.3%Kennedy4,321

50.6%Nixon4,432

0.1%

R+1.3

R+3.1

R+1.4

8,763

1956

50.9%Stevenson4,359

49.1%Eisenhower4,204

0.1%

D+1.8

D+5.8

D+17.2

8,569

1952

47.9%Stevenson4,296

52.0%Eisenhower4,658

0.1%

R+4.0

R+11.4

D+6.7

8,963

1948

53.3%Truman4,479

46.0%Dewey3,864

0.7%

D+7.3

D+4.4

D+2.8

8,398

1944

51.2%Roosevelt4,367

48.2%Dewey4,114

0.5%

D+3.0

R+5.3

R+4.5

8,527

1940

53.7%Roosevelt5,804

45.5%Willkie4,915

0.8%

D+8.2

R+11.8

R+1.7

10,800

1936

59.8%Roosevelt6,260

39.8%Landon4,165

0.3%

D+20.0

R+16.3

R+4.2

10,461

1932

67.8%Roosevelt6,157

31.5%Hoover2,859

0.8%

D+36.3

D+25.7

D+18.5

9,085

1928

55.1%Smith4,149

44.5%Hoover3,352

0.4%

D+10.6

R+7.7

D+28.1

7,530

1924

57.4%Davis3,783

39.2%Coolidge2,579

3.3%La Follette216

D+18.3

D+10.4

D+43.5

6,586

1920

53.5%Cox3,660

45.6%Harding3,119

1.0%

D+7.9

R+16.2

D+34.1

6,847

1916

61.3%Wilson5,171

37.1%Hughes3,135

1.6%

D+24.1

R+9.0

D+21.0

8,440

1912

60.4%Wilson2,648

27.2%Taft1,194

12.4%

D+33.1

D+11.2

D+13.6

4,387

1908

59.4%Bryan2,690

37.4%Taft1,695

3.2%

D+22.0

D+10.9

D+31.5

4,529

1904

50.6%Parker1,967

39.5%Roosevelt1,537

9.9%

D+11.1

R+14.9

D+30.7

3,887

1900

62.4%Bryan2,900

36.5%McKinley1,695

1.1%

D+25.9

D+2.3

D+33.5

4,645

1896

61.3%Bryan2,998

37.7%McKinley1,842

1.1%

D+23.6

R+5.8

D+29.7

4,892

1892

63.4%Cleveland2,663

34.0%Harrison1,427

2.7%

D+29.4

—

D+27.8

4,202

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

25.8%2,113

74.2%6,080

8,193

2020

25.9%2,284

74.1%6,536

8,820

2018

26.2%86

73.8%242

328

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

33.3%2,319

64.8%4,514

6,965

2020Class II

35.3%Dick Durbin3,102

62.1%Mark Curran5,465

8,797

2016Class III

45.6%Tammy Duckworth3,843

50.2%Mark Kirk4,231

8,435

2014Class II

44.9%Dick Durbin2,761

51.4%Jim Oberweis3,161

6,148

2010Class III

36.3%Alex Giannoulias2,347

56.6%Mark Kirk3,658

6,463

2008Class II

59.0%Dick Durbin5,236

35.1%Steve Sauerberg3,116

8,881

2004Class III

54.9%Barack Obama4,761

38.5%Alan Keyes3,338

8,670

2002Class II

60.2%Dick Durbin3,989

38.2%Jim Durkin2,531

6,625

1998Class III

42.9%Carol Moseley-Braun3,083

55.1%Peter Fitzgerald3,962

7,192

1996Class II

54.3%Dick Durbin4,400

43.4%Al Salvi3,513

8,103

1992Class III

55.0%Carol Moseley-Braun4,837

41.6%Richard Williamson3,658

8,787

1990Class II

75.7%Paul Simon5,872

24.3%Lynn Martin1,887

7,759

1986Class III

67.0%Alan J. Dixon4,942

32.4%Judy Koehler2,390

7,373

1984Class II

58.0%Paul Simon5,025

41.4%Charles H. Percy3,581

8,657

1980Class III

60.1%Alan J. Dixon4,912

38.9%David C. O'Neal3,177

8,175

1978Class II

55.6%Alex Seith3,505

43.6%Charles H. Percy2,748

6,308

1974Class III

66.0%Adlai Stevenson III3,977

34.0%George M. Burditt2,053

6,030

1972Class II

40.4%Roman Pucinski3,332

59.5%Charles H. Percy4,912

8,254

1968Class III

46.8%William G. Clark3,748

53.1%Everett Dirksen4,251

8,012

1966Class II

52.1%Paul H. Douglas3,721

47.9%Charles H. Percy3,424

7,145

1962Class III

56.5%Sidney R. Yates3,728

43.5%Everett Dirksen2,870

6,598

1960Class II

56.9%Paul H. Douglas4,893

43.0%Samuel W. Witwer3,699

8,597

1956Class III

54.9%Richard Stengel4,543

45.1%Everett Dirksen3,736

8,279

1954Class II

56.9%Paul H. Douglas4,203

43.1%Joseph T. Meek3,183

7,386

1950Class III

57.4%Scott W. Lucas4,260

42.3%Everett Dirksen3,141

7,421

1948Class II

55.7%Paul H. Douglas4,568

43.9%C. Wayland Brooks3,596

8,198

1944Class III

53.0%Scott W. Lucas4,431

46.6%Richard J. Lyons3,898

8,366

1942Class II

50.4%Raymond McKeough3,461

49.3%C. Wayland Brooks3,388

6,866

1938Class III

58.4%Scott W. Lucas4,606

41.4%Richard J. Lyons3,262

7,886

1936Class II

59.6%James H. Lewis5,944

40.1%Otis F. Glenn3,994

9,971

1932Class III

66.8%William H. Dieterich5,764

32.9%Otis F. Glenn2,837

8,632

1930Class II

67.4%James H. Lewis3,468

31.0%Ruth H. McCormick1,596

5,145

1926Class III

56.6%George E. Brennan2,233

38.5%Frank L. Smith1,518

3,944

1924Class II

58.6%Albert A. Sprague3,791

40.6%Charles S. Deneen2,627

6,470

1920Class III

53.6%Peter A. Waller3,655

45.5%William B. McKinley3,099

6,816

1918Class II

59.9%James H. Lewis1,862

39.4%Medill McCormick1,225

3,111

1914Class III

51.0%Roger C. Sullivan1,730

37.6%Lawrence Y. Sherman1,275

3,389

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

Year

Vote lead

Democratic

Republican

Total

1970Special · Class III

57.1%Adlai Stevenson III4,196

42.9%Ralph T. Smith3,149

7,348

1940Special · Class II

54.2%James M. Slattery5,706

45.1%C. Wayland Brooks4,753

10,528

1928Special · Class III

55.7%Anton J. Cermak3,981

43.9%Otis F. Glenn3,140

7,149

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

26.2%Jb Pritzker1,839

71.1%Darren Bailey4,988

7,019

2018

38.3%Jb Pritzker2,875

50.6%Bruce Rauner3,794

7,498

2014

30.7%Pat Quinn1,887

63.5%Bruce Rauner3,900

6,137

2010

36.2%Pat Quinn2,411

55.3%Bill Brady3,676

6,652

2006

43.8%Rod Blagojevich2,961

38.8%Judy Baar Topinka2,624

6,757

2002

49.2%Rod Blagojevich3,335

48.2%Jim Ryan3,264

6,775

1998

74.0%Glenn Poshard5,527

25.4%George Ryan1,898

7,469

1994

25.9%Dawn Clark Netsch1,729

71.9%Jim Edgar4,810

6,688

1990

54.4%Neil Hartigan4,262

45.0%Jim Edgar3,530

7,836

1986

6.9%''No nominee''526

52.4%Jim Thompson3,973

7,582

1982

48.2%Adlai Stevenson III3,704

50.3%Jim Thompson3,867

7,685

1978

50.0%Michael Bakalis3,181

49.5%Jim Thompson3,151

6,360

1976

43.3%Michael Howlett3,668

56.6%Jim Thompson4,801

8,477

Frequently asked questions

Voter registration in Union County, IL
Year	Total registered
2016	14,982
2018	13,191
2020	12,907
2022	11,889
2024	13,563

How did Union County, Illinois vote in 2024?

In 2024, Union County, Illinois voted Republican by 43.2 points (R+43.2), carried by the Republican candidate. Out of 8,226 votes cast, 2,285 went Democratic and 5,837 went Republican.

When did Union County, Illinois last vote Democratic?

The most recent presidential election in which Union County, Illinois voted Democratic was 1996.

How many people live in Union County, Illinois?

Union County, Illinois has a population of 16,997 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Union County, Illinois?

Median household income in Union County, Illinois is $55,728 — below the national median of $80,734. The Illinois state median is $83,390.

What is the political history of Union County, Illinois?

Akashic tracks 38 presidential elections in Union County, Illinois from 1876 to 2024. Of those, 20 went Democratic and 14 went Republican.