State Senate District 18 State Senate District (PA) — Elections 1876–2024

Pennsylvania 18th State Senate District, Pennsylvania: Tossup district. In 2024, voted R+2%. Democratic peak: D+47 in 1964.

Key facts

2024 presidential margin: R+2MIT Election Lab
Political archetype: TossupAkashic typology
Population: 213,0252024 5-year
Median household income: $88,9792024 5-year
White (non-Hispanic): 73.9%2024 5-year
Black: 6.3%2024 5-year
Hispanic / Latino: 15.8%2024 5-year
Peak Democratic margin: D+47 in 1964MIT Election Lab
Peak Republican margin: R+43 in 1928MIT Election Lab

2024 results by constituent county

2 counties · 1 D · 1 R

R+60

D+60

One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.

38 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Margin	Democratic	Republican	Total
2024	R	−1.7%	57,859	59,861	119,209
2020	D	+0.9%	56,859	55,876	114,070
2016	R	−3.6%	44,348	47,821	96,553
2012	D	+4.8%	45,180	41,009	87,517
2008	D	+12.4%	50,291	39,073	90,552
2004	D	+1.1%	42,405	41,479	84,748
2000	D	+5.4%	35,423	31,681	69,900
1996	D	+8.9%	29,347	23,922	60,824
1992	D	+7.9%	28,176	23,043	65,198
1988	R	−4.4%	26,206	28,654	55,503
1984	R	−8.3%	25,344	29,965	55,866
1980	R	−5.4%	21,304	24,034	50,914
1976	D	+12.2%	28,378	22,114	51,509
1972	R	−13.1%	21,557	28,070	49,729
1968	D	+13.1%	28,372	21,535	52,275
1964	D	+46.6%	39,209	14,165	53,785
1960	D	+0.7%	27,661	27,278	54,989
1956	R	−12.7%	22,427	28,991	51,796
1952	R	−3.0%	24,598	26,148	51,151
1948	D	+9.7%	22,046	18,075	40,960
1944	D	+9.7%	21,667	17,814	39,676
1940	D	+13.3%	22,186	16,967	39,333
1936	D	+22.8%	24,547	15,247	40,753
1932	D	+6.9%	15,971	13,850	30,724
1928	R	−43.2%	9,823	24,957	35,050
1924	R	−25.8%	7,622	13,636	23,338
1920	R	−21.3%	6,076	9,527	16,204
1916	D	+6.4%	7,341	6,415	14,457
1912	D	+29.7%	6,886	2,579	14,490
1908	D	+2.1%	7,571	7,243	15,429
1904	R	−5.3%	6,608	7,365	14,373
1900	D	+7.1%	7,591	6,561	14,520
1896	D	+1.3%	6,676	6,501	13,653
1892	D	+19.4%	6,868	4,595	11,705
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

German

20.4%

Irish

11.7%

Italian

11.4%

American

9.9%

English

6.4%

Polish

4.2%

French

1.1%

Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.

Age distribution by sex

Median age: 41.9 in this county, 39.1 nationally

Male

Age

Female

0.9%

85+

1.9%

2.7%

75–84

3.3%

5.5%

65–74

6.0%

6.8%

55–64

7.0%

6.1%

45–54

6.1%

35–44

6.0%

6.1%

25–34

5.8%

5.6%

18–24

5.0%

7.5%

5–17

7.0%

2.4%

2.3%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$88,979

State Senate District 18 ranks near the middle of US counties.

State Senate District 18$88,979

Pennsylvania$77,971

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

8.9%

Child poverty is below the national average.

Children under 1812.0%

Working age (18–64)8.0%

Seniors (65+)8.0%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

84.7%

speak English only

Spanish9.6%

Other Indo-European3.5%

Asian & Pacific Islander1.4%

Other languages0.7%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

21.9%

Mainline Protestant

10.9%

Other Christian

6.6%

Non-Christian

1.6%

Methodist

1.5%

Pentecostal & Holiness

1.2%

Baptist

0.5%

Source · 2020 US Religion Census. Remaining 55.8% of residents not counted as adherents by any reporting body.

Pennsylvania 18th State Senate District in the Mid-Atlantic delivered a near-tie in 2024, with the Republican candidate carrying the district by two points — well within the historical noise of how the district votes.

The district's recent history is a story of close margins. The Democratic margin reached forty-seven points in 1964; the Republican margin reached forty-three points in 1928. Most other elections have been decided by single-digit points.

Its demographics — a population of 213,025, a 74% non-Hispanic-white share, a median household income of $88,979 — situate the district close to national averages on several dimensions.

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.

State Senate District 18, Pennsylvania. Akashic. https://akashic.app/sld-upper/42018/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did State Senate District 18, Pennsylvania vote in 2024?

In 2024, State Senate District 18, Pennsylvania voted Republican by 1.7 points (R+2), carried by the Republican candidate. Out of 119,209 votes cast, 57,859 went Democratic and 59,861 went Republican.

What is State Senate District 18, Pennsylvania's political archetype?

Akashic classifies State Senate District 18, Pennsylvania as a "Tossup" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 22 times, Republican 12 times, and other 0 times.

When did State Senate District 18, Pennsylvania last vote Democratic?

The most recent presidential election in which State Senate District 18, Pennsylvania voted Democratic was 2020.

How many people live in State Senate District 18, Pennsylvania?

State Senate District 18, Pennsylvania has a population of 213,025 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in State Senate District 18, Pennsylvania?

Median household income in State Senate District 18, Pennsylvania is $88,979 — above the national median of $80,734. The Pennsylvania state median is $77,971.

What is the political history of State Senate District 18, Pennsylvania?

Akashic tracks 38 presidential elections in State Senate District 18, Pennsylvania from 1876 to 2024. Of those, 22 went Democratic and 12 went Republican. The district's archetype — "Tossup" — captures the overall trajectory of that voting record.

Pennsylvania 18th State Senate District delivered R+2 in 2024 — close enough to flip again next time.

Key facts

Demographics

Compare two places, side by side

Frequently asked questions