Pennsylvania 12th Congressional District
Akashic| Year | Margin (D minus R) |
|---|---|
| 2008 | +19.5% |
| 2012 | +19.2% |
| 2016 | +17.5% |
| 2020 | +19.9% |
| 2024 | +19.1% |
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 | 12 | D | 56.4%234,802 | 43.6%181,426 | 416,228 |
| 2022 | 12 | D | 56.2%184,674 | 43.8%143,946 | 328,620 |
| 2020 | 12 | R | 29.2%99,199 | 70.8%241,035 | 340,234 |
| 2018 | 12 | R | 34.0%82,825 | 66.0%161,047 | 243,872 |
| 2016 | 12 | R | 38.2%137,353 | 61.8%221,851 | 359,204 |
| 2014 | 12 | R | 40.7%87,928 | 59.3%127,993 | 215,921 |
| 2012 | 12 | R | 48.3%163,589 | 51.7%175,352 | 338,941 |
| 2010 | 12 | D | 50.8%94,056 | 49.2%91,170 | 185,226 |
| 2008 | 12 | D | 57.9%155,268 | 42.1%113,120 | 268,388 |
| 2006 | 12 | D | 60.8%123,472 | 39.2%79,612 | 203,163 |
| 2004 | 12 | D | 100.0%204,504 | 0.0%0 | 204,504 |
| 2002 | 12 | D | 73.5%124,201 | 26.5%44,818 | 169,028 |
| 2000 | 12 | D | 70.8%145,538 | 27.5%56,575 | 205,437 |
| 1998 | 12 | D | 68.5%100,528 | 31.5%46,239 | 146,780 |
| 1996 | 12 | D | 70.0%136,815 | 30.0%58,643 | 195,481 |
| 1994 | 12 | D | 68.9%117,825 | 31.1%53,147 | 171,005 |
| 1992 | 12 | D | 100.0%166,916 | 0.0%0 | 166,916 |
| 1990 | 12 | D | 61.7%80,686 | 38.3%50,007 | 130,693 |
| 1988 | 12 | D | 100.0%133,081 | 0.0%0 | 133,081 |
| 1986 | 12 | D | 67.4%97,135 | 32.6%46,937 | 144,072 |
| 1984 | 12 | D | 69.1%134,384 | 29.5%57,446 | 194,494 |
| 1982 | 12 | D | 61.1%96,369 | 34.4%54,212 | 157,640 |
| 1980 | 12 | D | 59.4%106,750 | 40.6%72,999 | 179,749 |
| 1978 | 12 | D | 68.7%104,216 | 31.3%47,442 | 151,658 |
| 1976 | 12 | D | 67.7%122,504 | 32.3%58,489 | 180,993 |
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 |
Anchored in rural south-central Pennsylvania, the district delivered a 37-point presidential margin in 2024, making it among the most lopsided congressional territories in the state and a reliable baseline for tracking GOP turnout patterns.
Across the recorded series it reached a Democratic high of 19.9 points in 2020. Between 2020 and 2024 the district moved 0.8 points toward the Republican candidate; the 2024 margin was 19.1 points.
A population of 764,957, a 74% non-Hispanic-white share, and a median household income of $71,986 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 17 and Congressional District 25.
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 12th Congressional District. Akashic. https://akashic.app/cd/4212/. Accessed May 20, 2026. License: CC BY 4.0.