Pennsylvania 4th Congressional District
Akashic| Year | Margin (D minus R) |
|---|---|
| 2008 | +17.0% |
| 2012 | +9.7% |
| 2016 | +13.9% |
| 2020 | +18.9% |
| 2024 | +15.8% |
Federal officeholders only. State and local officeholders are planned for the next data pass.
U.S. House
Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.
| Year | District | Won | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | 4 | D | 59.1%269,066 | 40.9%186,457 | 455,523 |
| 2022 | 4 | D | 61.3%224,799 | 38.7%141,986 | 366,785 |
| 2020 | 4 | D | 59.5%264,637 | 40.5%179,926 | 444,563 |
| 2018 | 4 | D | 63.5%211,524 | 36.5%121,467 | 332,991 |
| 2016 | 4 | R | 33.9%113,372 | 66.1%220,628 | 334,000 |
| 2014 | 4 | R | 25.5%50,250 | 74.5%147,090 | 197,340 |
| 2012 | 4 | R | 34.4%104,643 | 59.7%181,603 | 303,980 |
| 2010 | 4 | D | 50.8%120,827 | 49.2%116,958 | 237,785 |
| 2008 | 4 | D | 55.9%186,536 | 44.1%147,411 | 333,947 |
| 2006 | 4 | D | 51.9%131,847 | 48.0%122,049 | 254,084 |
| 2004 | 4 | R | 35.9%116,303 | 63.1%204,329 | 323,917 |
| 2002 | 4 | R | 35.4%71,674 | 64.6%130,534 | 202,218 |
| 2000 | 4 | R | 41.0%100,995 | 59.0%145,390 | 246,385 |
| 1998 | 4 | D | 63.8%103,183 | 36.2%58,485 | 161,685 |
| 1996 | 4 | D | 64.2%142,621 | 35.8%79,448 | 222,167 |
| 1994 | 4 | D | 64.2%119,115 | 35.8%66,509 | 185,630 |
| 1992 | 4 | D | 78.5%186,684 | 20.4%48,484 | 237,922 |
| 1990 | 4 | D | 55.9%74,114 | 44.1%58,469 | 132,583 |
| 1988 | 4 | D | 69.8%124,041 | 29.5%52,402 | 177,699 |
| 1986 | 4 | D | 60.4%86,133 | 38.7%55,165 | 142,594 |
| 1984 | 4 | D | 56.8%114,040 | 43.2%86,769 | 200,809 |
| 1982 | 4 | D | 60.1%100,481 | 38.6%64,539 | 167,102 |
| 1980 | 4 | R | 36.7%73,895 | 63.3%127,475 | 201,370 |
| 1978 | 4 | R | 44.2%87,555 | 55.8%110,445 | 198,000 |
| 1976 | 4 | D | 67.5%144,890 | 32.5%69,700 | 214,590 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 48.6%3,384,180 | 48.8%3,399,295 | 6,963,137 |
| 2022 | D | 51.2%2,751,012 | 46.3%2,487,260 | 5,368,021 |
| 2018 | D | 55.6%2,777,680 | 42.7%2,134,848 | 4,994,643 |
| 2016 | R | 47.3%2,865,012 | 48.8%2,951,702 | 6,051,856 |
| 2012 | D | 53.7%3,021,364 | 44.6%2,509,132 | 5,627,422 |
| 2010 | R | 49.0%1,948,716 | 51.0%2,028,945 | 3,977,661 |
| 2006 | D | 58.7%2,392,984 | 41.3%1,684,778 | 4,077,762 |
| 2004 | R | 42.0%2,334,126 | 52.6%2,925,080 | 5,558,525 |
| 2000 | R | 45.5%2,154,908 | 52.4%2,481,962 | 4,735,116 |
| 1998 | R | 34.8%1,028,839 | 61.3%1,814,180 | 2,957,499 |
| 1994 | R | 46.9%1,648,481 | 49.4%1,735,691 | 3,513,112 |
| 1992 | R | 46.3%2,224,966 | 49.1%2,358,125 | 4,802,410 |
| 1988 | R | 32.4%1,416,764 | 66.5%2,901,715 | 4,366,598 |
| 1986 | R | 42.9%1,448,219 | 56.4%1,906,537 | 3,378,226 |
| 1982 | R | 39.2%1,412,965 | 59.3%2,136,418 | 3,604,108 |
| 1980 | R | 48.0%2,122,391 | 50.5%2,230,404 | 4,418,042 |
| 1976 | R | 46.8%2,126,977 | 52.4%2,381,891 | 4,546,353 |
PA-04 covers the heavily populated suburbs northwest of Philadelphia, where college-educated voters and a diversifying professional class have widened Democratic margins to over 20 points in recent presidential cycles.
Across the recorded series it reached a Democratic high of 18.9 points in 2020. Between 2020 and 2024 the district moved 3.1 points toward the Republican candidate; the 2024 margin was 15.8 points.
A population of 765,422, a 77% non-Hispanic-white share, and a median household income of $110,538 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 6 and Congressional District 1.
The congressional districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
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 →
Pennsylvania 4th Congressional District. Akashic. https://akashic.app/cd/4204/. Accessed May 20, 2026. License: CC BY 4.0.