State Senate District 12 State Senate District (PA) — Elections 1876–2024

Pennsylvania 12th State Senate District, Pennsylvania: Democratic loyalist district. In 2024, voted D+23%. Republican peak: R+57 in 1924.

Key facts

2024 presidential margin: D+23MIT Election Lab
Political archetype: Democratic loyalistAkashic typology
Population: 260,2242024 5-year
Median household income: $113,9152024 5-year
White (non-Hispanic): 73.1%2024 5-year
Black: 9.3%2024 5-year
Hispanic / Latino: 6.7%2024 5-year
Peak Democratic margin: D+26 in 2020MIT Election Lab
Peak Republican margin: R+57 in 1924MIT Election Lab

2024 results by constituent county

1 counties · 1 D · 0 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	D	+22.7%	95,113	59,482	156,913
2020	D	+26.3%	95,836	55,628	153,019
2016	D	+21.3%	76,810	48,810	131,571
2012	D	+14.3%	69,994	52,305	123,838
2008	D	+20.8%	76,004	49,656	126,702
2004	D	+11.6%	66,602	52,713	119,855
2000	D	+9.7%	53,387	43,679	99,708
1996	D	+7.7%	43,091	36,307	88,172
1992	D	+3.4%	40,964	37,704	95,555
1988	R	−21.4%	32,944	51,079	84,845
1984	R	−28.9%	29,917	54,418	84,784
1980	R	−26.8%	25,282	47,090	81,451
1976	R	−15.7%	33,787	46,635	81,936
1972	R	−30.3%	27,583	52,089	80,990
1968	R	−15.0%	30,734	42,478	78,205
1964	D	+13.8%	40,690	30,809	71,709
1960	R	−21.5%	27,659	42,831	70,585
1956	R	−38.5%	17,725	39,974	57,764
1952	R	−33.5%	17,307	34,763	52,182
1948	R	−34.6%	12,331	25,668	38,581
1944	R	−24.0%	14,342	23,474	38,041
1940	R	−19.4%	14,820	21,971	36,921
1936	R	−6.8%	17,358	19,929	37,945
1932	R	−31.3%	9,889	19,382	30,283
1928	R	−53.4%	6,907	23,000	30,117
1924	R	−57.0%	3,328	13,620	18,043
1920	R	−43.0%	3,671	9,587	13,754
1916	R	−19.3%	4,097	6,128	10,520
1912	O	+8.7%	3,568	2,693	10,088
1908	R	−22.5%	3,569	5,725	9,571
1904	R	−28.0%	3,125	5,649	9,027
1900	R	−20.2%	3,362	5,114	8,653
1896	R	−26.0%	2,995	5,198	8,487
1892	D	+0.1%	4,083	4,077	8,303
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.

Irish

18.9%

German

18.7%

Italian

13.4%

English

9.1%

Polish

5.5%

American

3.9%

Scottish

1.6%

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: 41.2 in this county, 39.1 nationally

Male

Age

Female

0.9%

85+

1.6%

2.3%

75–84

3.2%

5.0%

65–74

5.7%

6.6%

55–64

7.0%

6.2%

45–54

6.3%

6.8%

35–44

6.7%

6.2%

25–34

6.0%

3.9%

18–24

4.0%

8.2%

5–17

7.8%

2.7%

2.5%

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

Median household income

2024 inflation-adjusted dollars

$113,915

State Senate District 12 ranks near the middle of US counties.

State Senate District 12$113,915

Pennsylvania$77,971

United States$80,734

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

Poverty rate

All persons below federal poverty line

6.5%

Child poverty is below the national average.

Children under 187.8%

Working age (18–64)5.8%

Seniors (65+)9.8%

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

Language at home

Population aged 5 and older

85.3%

speak English only

Other Indo-European4.9%

Asian & Pacific Islander4.5%

Spanish4.1%

Other languages1.2%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

30.8%

Mainline Protestant

7.8%

Other Christian

6.7%

Non-Christian

4.8%

Baptist

1.6%

Methodist

1.5%

Pentecostal & Holiness

1.1%

Source · 2020 US Religion Census. Remaining 45.7% of residents not counted as adherents by any reporting body.

Covering a stretch of the state where Republican presidential candidates have run well above statewide averages, this district's R+18.4 margin in 2024 places it firmly outside competitive territory in most statewide cycles.

The Democratic margin in Pennsylvania 12th State Senate District reached its widest at twenty-six points in 2020. The margin in 2024 was twenty-three points — still decisive.

Its loyalty is rooted in its place. Median household income of $113,915, a 73% non-Hispanic-white share, and a population of 260,224 together describe a district whose political habits are deeply settled.

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Cite this page

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

State Senate District 12, Pennsylvania. Akashic. https://akashic.app/sld-upper/42012/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did State Senate District 12, Pennsylvania vote in 2024?

In 2024, State Senate District 12, Pennsylvania voted Democratic by 22.7 points (D+23), carried by the Democratic candidate. Out of 156,913 votes cast, 95,113 went Democratic and 59,482 went Republican.

What is State Senate District 12, Pennsylvania's political archetype?

Akashic classifies State Senate District 12, Pennsylvania as a "Democratic loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 11 times, Republican 22 times, and other 1 times.

When did State Senate District 12, Pennsylvania last vote Republican?

The most recent presidential election in which State Senate District 12, Pennsylvania voted Republican was 1988.

How many people live in State Senate District 12, Pennsylvania?

State Senate District 12, Pennsylvania has a population of 260,224 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 12, Pennsylvania?

Median household income in State Senate District 12, Pennsylvania is $113,915 — above the national median of $80,734. The Pennsylvania state median is $77,971.

What is the political history of State Senate District 12, Pennsylvania?

Akashic tracks 38 presidential elections in State Senate District 12, Pennsylvania from 1876 to 2024. Of those, 11 went Democratic and 22 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.

Pennsylvania 12th State Senate District has voted Democratic in nine straight presidential cycles.

Key facts

Demographics

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Frequently asked questions