akashic
1876–2024
Congressional District 6·Pennsylvania

Pennsylvania 6th Congressional District delivered D+11 in 2024 — close enough to flip again next time.

Suburban Philadelphia district that has shifted steadily toward Democrats since 2016

18762024·38 elections
PA
Latest
D+11
in 2024
Archetype
Tossup
since the recent cycles
Population
636,040
2024 ACS

Pennsylvania 6th Congressional District, Pennsylvania: Tossup district. In 2024, voted D+11%. Republican peak: R+58 in 1928.

Key facts

2024 presidential margin
D+11MIT Election Lab
Political archetype
TossupAkashic typology
Population
636,0402024 5-year
Median household income
$120,6162024 5-year
White (non-Hispanic)
76.0%2024 5-year
Black
5.1%2024 5-year
Hispanic / Latino
10.7%2024 5-year
Peak Democratic margin
D+15 in 1912MIT Election Lab
Peak Republican margin
R+58 in 1928MIT Election Lab
D
HOULAHAN, ChristinaCongress 119 · Democratic

Predecessors: COSTELLO, Ryan (2017–2019), COSTELLO, Ryan (2015–2017), GERLACH, Jim (2013–2015), GERLACH, Jim (2011–2013)

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

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.
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
D
+11.3%
202,818161,068369,269
D
+14.1%
201,271150,920356,349
D
+7.0%
157,644135,798310,480
R
−0.3%
141,212142,086287,328
D
+9.2%
157,595130,816291,008
R
−4.7%
125,247137,778264,319
R
−9.5%
94,093114,594215,228
R
−7.4%
74,94488,492183,157
R
−8.0%
69,01884,783195,973
R
−33.6%
53,215107,810162,489
R
−39.4%
46,583107,418154,581
R
−30.8%
41,73585,386141,775
R
−19.2%
53,10778,778133,942
R
−37.2%
38,57186,208127,886
R
−19.6%
42,77666,387120,251
D
+13.6%
62,91547,763111,165
R
−23.7%
40,48065,644106,351
R
−34.6%
28,59558,89787,607
R
−24.1%
30,84750,50581,735
R
−21.4%
23,45836,51661,145
R
−10.2%
27,50133,84662,014
R
−2.1%
33,34634,76768,608
D
+4.7%
38,28334,78074,640
R
−29.3%
18,11134,94157,408
R
−58.3%
11,55746,25559,549
R
−45.8%
9,45928,07940,675
R
−33.5%
10,75022,65935,562
R
−6.6%
12,44414,27827,954
O
+14.6%
10,2526,32526,834
R
−21.3%
10,10115,89827,260
R
−37.2%
7,67917,36726,063
R
−23.7%
10,09316,65227,708
R
−26.7%
9,75017,15027,736
R
−5.4%
11,64513,03525,675
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
20.1%
Irish
19.3%
Italian
13.4%
English
11.9%
Polish
4.4%
American
3.3%
Scottish
1.7%
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
85.2%
speak English only
Spanish6.8%
Other Indo-European4.3%
Asian & Pacific Islander3.2%
Other languages0.5%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
29.4%
Other Christian
7.7%
Mainline Protestant
6.4%
Methodist
2.9%
Non-Christian
2.5%
Baptist
1.3%
Pentecostal & Holiness
0.9%
Source · 2020 US Religion Census. Remaining 48.9% of residents not counted as adherents by any reporting body.

Pennsylvania's 6th, covering Chester County's affluent suburbs west of Philadelphia, has moved consistently leftward over three election cycles, with college-educated voters and population growth from the city's metro fringe driving a now double-digit Democratic presidential margin.

The district's recent history is a story of close margins. The Democratic margin reached fifteen points in 1912; the Republican margin reached fifty-eight points in 1928. Most other elections have been decided by single-digit points.

Its demographics — a population of 636,040, a 76% non-Hispanic-white share, a median household income of $120,616 — 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.
Congressional District 6, Pennsylvania. Akashic. https://akashic.app/cd/4206/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Congressional District 6, Pennsylvania vote in 2024?
In 2024, Congressional District 6, Pennsylvania voted Democratic by 11.3 points (D+11), carried by the Democratic candidate. Out of 369,269 votes cast, 202,818 went Democratic and 161,068 went Republican.
What is Congressional District 6, Pennsylvania's political archetype?
Akashic classifies Congressional District 6, Pennsylvania as a "Tossup" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 6 times, Republican 27 times, and other 1 times.
When did Congressional District 6, Pennsylvania last vote Republican?
The most recent presidential election in which Congressional District 6, Pennsylvania voted Republican was 2012.
How many people live in Congressional District 6, Pennsylvania?
Congressional District 6, Pennsylvania has a population of 636,040 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 6, Pennsylvania?
Median household income in Congressional District 6, Pennsylvania is $120,616 — above the national median of $80,734. The Pennsylvania state median is $77,971.
What is the political history of Congressional District 6, Pennsylvania?
Akashic tracks 38 presidential elections in Congressional District 6, Pennsylvania from 1876 to 2024. Of those, 6 went Democratic and 27 went Republican. The district's archetype — "Tossup" — captures the overall trajectory of that voting record.