akashic
1876–2024
Congressional District 15·Pennsylvania

Pennsylvania 15th Congressional District was solidly Democratic for decades. In the last twenty years, it flipped.

One of Pennsylvania's most Republican-leaning federal districts by presidential margin

18762024·38 elections
PA
Latest
R+37
in 2024
Archetype
Populist
since the recent cycles
Population
816,287
2024 ACS

Pennsylvania 15th Congressional District, Pennsylvania: Populist district. In 2024, voted R+37%. Republican peak: R+51 in 1928.

Key facts

2024 presidential margin
R+37MIT Election Lab
Political archetype
PopulistAkashic typology
Population
816,2872024 5-year
Median household income
$65,6312024 5-year
White (non-Hispanic)
91.3%2024 5-year
Black
2.3%2024 5-year
Hispanic / Latino
2.4%2024 5-year
Peak Democratic margin
D+20 in 1964MIT Election Lab
Peak Republican margin
R+51 in 1928MIT Election Lab
R
THOMPSON, GlennCongress 119 · Republican

Predecessors: DENT, Charles W. (2017–2019), WILD, Susan (2017–2019), DENT, Charles W. (2015–2017), DENT, Charles W. (2013–2015)

Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).

18 counties · 1 D · 17 R
R+60
D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−37.1%
131,920290,490427,351
R
−36.3%
129,623280,644416,015
R
−35.5%
111,309244,046373,880
R
−23.8%
127,391209,021343,531
R
−12.0%
157,433201,175363,684
R
−22.5%
136,170216,122354,745
R
−21.1%
115,397179,849305,547
R
−6.6%
115,087134,078287,959
R
−4.2%
114,826127,812312,627
R
−16.9%
114,420161,515278,272
R
−27.3%
107,616188,800297,832
R
−18.2%
106,451158,169284,457
R
−8.6%
128,555153,395287,325
R
−34.2%
87,924181,791274,278
R
−16.5%
107,755153,821279,718
D
+20.4%
173,722114,663289,217
R
−26.3%
114,627196,547311,720
R
−34.5%
92,311189,794282,527
R
−30.0%
96,235179,487277,178
R
−22.7%
82,387131,444216,408
R
−21.5%
94,666146,993243,385
R
−16.6%
117,213164,112282,314
R
−2.9%
145,381154,198305,536
R
−15.2%
86,239118,578213,016
R
−50.6%
57,477177,208236,441
R
−44.5%
38,467121,141185,597
R
−37.2%
42,246101,255158,542
R
−9.1%
46,91557,326114,633
O
+15.9%
37,64419,401114,676
R
−22.0%
44,55772,504127,192
R
−35.9%
34,45778,519122,711
R
−19.9%
49,54375,753131,679
R
−15.4%
52,83072,989131,026
R
−4.9%
49,31254,756111,852
No data
No data
No data
No data

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
YearWonD %R %Total
2024R48.6%48.8%6,963,137
2022D51.2%46.3%5,368,021
2018D55.6%42.7%4,994,643
2016R47.3%48.8%6,051,856
2012D53.7%44.6%5,627,422
2010R49.0%51.0%3,977,661
2006D58.6%41.3%4,081,043
2004R42.0%52.6%5,559,105
2000R45.5%52.4%4,735,116
1998R34.8%61.3%2,957,499
1994R46.9%49.4%3,513,361
1992R46.3%49.1%4,802,410
1988R32.4%66.5%4,366,598
1986R42.9%56.4%3,378,226
1982R39.2%59.3%3,604,108
1980R48.0%50.5%4,418,042
1976R46.8%52.4%4,546,353

Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
27.9%
Irish
12.9%
English
10.3%
Italian
8.1%
American
6.6%
Polish
4.2%
Scottish
1.3%
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.
Language at home
Population aged 5 and older
94.1%
speak English only
Other Indo-European3.0%
Spanish1.4%
Asian & Pacific Islander1.1%
Other languages0.4%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
11.6%
Other Christian
9.9%
Methodist
8.3%
Mainline Protestant
6.9%
Pentecostal & Holiness
2.2%
Baptist
1.5%
Non-Christian
0.2%
Source · 2020 US Religion Census. Remaining 59.5% of residents not counted as adherents by any reporting body.

Anchored in the rural south-central corridor of Pennsylvania, the district delivered a 44.8-point Republican presidential margin in 2024, making it an outlier even within a competitive swing state.

The Democratic margin in Pennsylvania 15th Congressional District peaked at twenty points in 1964. By 1968 the district had flipped, voting Republican for the first time in many years. The 2024 margin was thirty-seven points, the most Republican-leaning result in the district's modern history.

The economic context is the key. The median household income of $65,631 sits well below state and national norms, and 13% of residents live below the federal poverty line. The shift here is part of a broader realignment of working-class places across the country.

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.
Congressional District 15, Pennsylvania. Akashic. https://akashic.app/cd/4215/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Congressional District 15, Pennsylvania vote in 2024?
In 2024, Congressional District 15, Pennsylvania voted Republican by 37.1 points (R+37), carried by the Republican candidate. Out of 427,351 votes cast, 131,920 went Democratic and 290,490 went Republican.
What is Congressional District 15, Pennsylvania's political archetype?
Akashic classifies Congressional District 15, Pennsylvania as a "Populist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 1 times, Republican 32 times, and other 1 times.
When did Congressional District 15, Pennsylvania last vote Democratic?
The most recent presidential election in which Congressional District 15, Pennsylvania voted Democratic was 1964.
How many people live in Congressional District 15, Pennsylvania?
Congressional District 15, Pennsylvania has a population of 816,287 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 15, Pennsylvania?
Median household income in Congressional District 15, Pennsylvania is $65,631 — below the national median of $80,734. The Pennsylvania state median is $77,971.
What is the political history of Congressional District 15, Pennsylvania?
Akashic tracks 38 presidential elections in Congressional District 15, Pennsylvania from 1876 to 2024. Of those, 1 went Democratic and 32 went Republican. The district's archetype — "Populist" — captures the overall trajectory of that voting record.