akashic
1876–2024
Congressional District 17·Pennsylvania

Pennsylvania 17th Congressional District has voted Democratic in thirteen straight presidential cycles.

A Pittsburgh-area swing seat decided by single digits since 2018

18762024·38 elections
PA
Latest
D+13
in 2024
Archetype
Democratic loyalist
since the recent cycles
Population
939,994
2024 ACS

Pennsylvania 17th Congressional District, Pennsylvania: Democratic loyalist district. In 2024, voted D+13%. Republican peak: R+57 in 1904.

Key facts

2024 presidential margin
D+13MIT Election Lab
Political archetype
Democratic loyalistAkashic typology
Population
939,9942024 5-year
Median household income
$77,2282024 5-year
White (non-Hispanic)
78.0%2024 5-year
Black
11.4%2024 5-year
Hispanic / Latino
2.9%2024 5-year
Peak Democratic margin
D+34 in 1964MIT Election Lab
Peak Republican margin
R+57 in 1904MIT Election Lab
D
DELUZIO, ChrisCongress 119 · Democratic

Predecessors: LAMB, Conor (2021–2023), LAMB, Conor (2019–2021), CARTWRIGHT, Matt (2017–2019), CARTWRIGHT, Matt (2015–2017)

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
+13.1%
305,829234,038547,457
D
+13.8%
306,223231,166543,844
D
+10.5%
262,237210,301495,104
D
+10.9%
257,431206,077470,589
D
+12.3%
273,663213,069491,535
D
+12.9%
272,660209,827485,862
D
+15.0%
245,102179,555437,608
D
+15.5%
217,334153,559410,830
D
+23.9%
247,329135,730466,112
D
+22.2%
268,282170,190442,723
D
+15.4%
287,567209,941503,107
D
+6.3%
229,824200,361468,056
D
+5.8%
251,281223,001485,961
R
−13.7%
208,087275,916495,070
D
+15.1%
273,406193,718528,055
D
+34.3%
357,423174,205533,711
D
+14.0%
314,901237,353553,275
R
−8.8%
233,818278,792513,378
D
+2.6%
269,921256,161528,230
D
+11.8%
230,520180,581422,414
D
+14.8%
251,872186,777440,504
D
+16.4%
263,508188,838454,494
D
+33.2%
266,270130,336409,598
D
+8.8%
138,426114,931265,582
R
−18.2%
112,302162,682277,165
R
−50.5%
16,957110,055184,236
R
−47.6%
29,93998,488144,003
R
−16.2%
38,81855,279101,747
O
+5.5%
22,66817,64491,574
R
−30.2%
26,47953,29788,698
R
−56.8%
15,80263,73084,325
R
−40.4%
21,14151,61175,368
R
−40.3%
22,94854,76279,004
R
−17.8%
23,10933,50158,449
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
23.1%
Irish
17.0%
Italian
14.8%
English
8.6%
Polish
7.3%
American
2.8%
Scottish
1.9%
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
92.4%
speak English only
Other Indo-European3.1%
Asian & Pacific Islander2.0%
Spanish1.8%
Other languages0.8%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
35.7%
Other Christian
6.6%
Mainline Protestant
4.9%
Non-Christian
3.9%
Methodist
3.5%
Baptist
2.3%
Pentecostal & Holiness
1.9%
Source · 2020 US Religion Census. Remaining 41.2% of residents not counted as adherents by any reporting body.

Pennsylvania's 17th stretches from suburban Allegheny County into working-class communities along the Ohio border, producing competitive margins that have tracked closely with regional shifts in college-educated and blue-collar voter alignment.

The Democratic margin in Pennsylvania 17th Congressional District reached its widest at thirty-four points in 1964. The margin in 2024 was thirteen points — still decisive.

Its loyalty is rooted in its place. Median household income of $77,228, a 78% non-Hispanic-white share, and a population of 939,994 together describe a district whose political habits are deeply settled.

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 17, Pennsylvania. Akashic. https://akashic.app/cd/4217/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Congressional District 17, Pennsylvania vote in 2024?
In 2024, Congressional District 17, Pennsylvania voted Democratic by 13.1 points (D+13), carried by the Democratic candidate. Out of 547,457 votes cast, 305,829 went Democratic and 234,038 went Republican.
What is Congressional District 17, Pennsylvania's political archetype?
Akashic classifies Congressional District 17, 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 22 times, Republican 11 times, and other 1 times.
When did Congressional District 17, Pennsylvania last vote Republican?
The most recent presidential election in which Congressional District 17, Pennsylvania voted Republican was 1972.
How many people live in Congressional District 17, Pennsylvania?
Congressional District 17, Pennsylvania has a population of 939,994 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 17, Pennsylvania?
Median household income in Congressional District 17, Pennsylvania is $77,228 — below the national median of $80,734. The Pennsylvania state median is $77,971.
What is the political history of Congressional District 17, Pennsylvania?
Akashic tracks 38 presidential elections in Congressional District 17, Pennsylvania from 1876 to 2024. Of those, 22 went Democratic and 11 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.