Delaware County, Pennsylvania
AkashicDelaware County, PAHarrisD+23.7
2024 precinct map of Delaware CountyPrecinct-level 2024 presidential results for Delaware County, with each precinct boundary colored by Democratic-vs-Republican margin, and gold where an independent or third-party candidate carried the precinct.
How it voted
Share of the 2024 vote
| Kamala Harris ✓Democratic | 61.3% | 201,324 |
|---|---|---|
| Donald TrumpRepublican | 37.6% | 123,421 |
| Jill SteinGreen | 0.6% | 2,127 |
Harris +50Trump +50
428 precincts · 328,172 votes. Hover any precinct for its result.
The precinct map shows the 2024 presidential vote; the timeline scrubs the county’s overall result across 1892–2024.
38 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| D | 61.3%Harris201,324 | 37.6%Trump123,421 | 0.6%Stein2,127 | 328,172 | ||
| D | 62.9%Biden206,423 | 36.1%Trump118,532 | 0.9%Jorgensen2,976 | 327,931 | ||
| D | 59.3%Clinton177,402 | 37.0%Trump110,667 | 2.0%Johnson5,992 | 299,336 | ||
| D | 60.2%Obama171,792 | 38.8%Romney110,853 | 0.7%Johnson2,002 | 285,564 | ||
| D | 60.2%Obama178,870 | 38.8%McCain115,273 | 1.0%Nader2,861 | 297,004 | ||
| D | 57.1%Kerry162,601 | 42.3%Bush120,425 | 0.5%Badnarik1,512 | 284,538 | ||
| D | 54.4%Gore134,861 | 42.7%Bush105,836 | 2.2%Nader5,348 | 248,077 | ||
| D | 49.4%Clinton115,946 | 39.5%Dole92,628 | 9.3%Perot21,883 | 234,748 | ||
| D | 41.8%Clinton111,210 | 40.8%Bush108,587 | 16.4%Perot43,728 | 266,074 | ||
| R | 39.0%Dukakis96,144 | 59.9%Bush147,656 | 1.0%McCarthy2,505 | 246,305 | ||
| R | 37.5%Mondale98,207 | 61.8%Reagan161,754 | 0.7%Johnson1,821 | 261,782 | ||
| R | 34.4%Carter88,314 | 55.8%Reagan143,282 | 9.8%Anderson25,263 | 256,859 | ||
| R | 43.3%Carter117,252 | 54.9%Ford148,679 | 1.8%McCarthy4,963 | 270,894 | ||
| R | 34.3%McGovern94,144 | 63.9%Nixon175,414 | 1.8%Schmitz4,893 | 274,451 | ||
| R | 40.0%Humphrey106,695 | 50.2%Nixon133,777 | 9.7%Wallace25,964 | 266,436 | ||
| D | 56.8%Johnson147,189 | 42.9%Goldwater111,189 | 0.3%Hass717 | 259,095 | ||
| R | 47.8%Kennedy124,629 | 52.0%Nixon135,672 | 0.2%Byrd482 | 260,783 | ||
| R | 36.3%Stevenson82,024 | 63.5%Eisenhower143,663 | 0.2%Andrews523 | 226,210 | ||
| R | 38.1%Stevenson80,316 | 61.6%Eisenhower129,743 | 0.3%Hallinan689 | 210,748 | ||
| R | 37.3%Truman57,156 | 60.9%Dewey93,412 | 1.8%Thurmond2,747 | 153,315 | ||
| R | 44.7%Roosevelt64,021 | 54.8%Dewey78,533 | 0.5%Thomas755 | 143,309 | ||
| R | 42.7%Roosevelt60,225 | 56.9%Willkie80,158 | 0.4%Thomas549 | 140,932 | ||
| R | 45.5%Roosevelt65,117 | 52.4%Landon74,899 | 2.1%Lemke2,997 | 143,013 | ||
| R | 29.4%Roosevelt32,413 | 68.2%Hoover75,291 | 2.4%Thomas2,705 | 110,409 | ||
| R | 26.0%Smith29,378 | 73.6%Hoover83,092 | 0.4%Thomas471 | 112,941 | ||
| R | 12.4%Davis6,368 | 81.8%Coolidge41,998 | 5.8%La Follette2,979 | 51,345 | ||
| R | 21.2%Cox9,602 | 75.3%Harding34,126 | 3.5%Debs1,565 | 45,293 | ||
| R | 31.3%Wilson7,742 | 66.0%Hughes16,315 | 2.7%Benson677 | 24,734 | ||
| O | 25.8%Wilson6,001 | 36.2%Taft8,418 | 38.0%Roosevelt8,819 | 23,238 | ||
| R | 26.7%Bryan5,727 | 70.8%Taft15,184 | 2.6%Debs550 | 21,461 | ||
| R | 18.6%Parker3,586 | 78.1%Roosevelt15,032 | 3.2%Debs618 | 19,236 | ||
| R | 23.1%Bryan4,249 | 75.0%McKinley13,794 | 1.9%Woolley358 | 18,401 | ||
| R | 22.4%Bryan4,169 | 75.3%McKinley13,979 | 2.3%Palmer424 | 18,572 | ||
| R | 36.2%Cleveland5,520 | 60.7%Harrison9,272 | 3.1%Weaver477 | 15,269 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −24.6% |
| 1896 | −52.8% |
| 1900 | −51.9% |
| 1904 | −59.5% |
| 1908 | −44.1% |
| 1912 | −10.4% |
| 1916 | −34.7% |
| 1920 | −54.1% |
| 1924 | −69.4% |
| 1928 | −47.6% |
| 1932 | −38.8% |
| 1936 | −6.8% |
| 1940 | −14.1% |
| 1944 | −10.1% |
| 1948 | −23.6% |
| 1952 | −23.5% |
| 1956 | −27.2% |
| 1960 | −4.2% |
| 1964 | +13.9% |
| 1968 | −10.2% |
| 1972 | −29.6% |
| 1976 | −11.6% |
| 1980 | −21.4% |
| 1984 | −24.3% |
| 1988 | −20.9% |
| 1992 | +1.0% |
| 1996 | +9.9% |
| 2000 | +11.7% |
| 2004 | +14.8% |
| 2008 | +21.4% |
| 2012 | +21.3% |
| 2016 | +22.3% |
| 2020 | +26.8% |
| 2024 | +23.7% |
DemocraticRepublican
Delaware County shifted from a longtime Republican stronghold to reliably Democratic territory over the past decade, driven by suburban realignment among college-educated voters. Its 2024 margin of D+23.7 reflects one of the sharpest reversals in Pennsylvania's collar counties.
Across the recorded series it reached a Democratic high of 26.8 points in 2020 and a Republican high of 69.4 points in 1924. Between 2020 and 2024 the county moved 3.1 points toward the Republican candidate; the 2024 margin was 23.7 points.
A population of 579,222, a 62% non-Hispanic-white share, and a median household income of $89,546 describe the county. The county's voting pattern over the last decade is most similar to that of Montgomery County and Clayton County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Delaware County, Pennsylvania. Akashic. https://akashic.app/county/42045/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Delaware County, Pennsylvania vote in 2024?
In 2024, Delaware County, Pennsylvania voted Democratic by 23.7 points (D+23.7), carried by the Democratic candidate. Out of 328,172 votes cast, 201,324 went Democratic and 123,421 went Republican.
When did Delaware County, Pennsylvania last vote Republican?
The most recent presidential election in which Delaware County, Pennsylvania voted Republican was 1988.
How many people live in Delaware County, Pennsylvania?
Delaware County, Pennsylvania has a population of 579,222 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Delaware County, Pennsylvania?
Median household income in Delaware County, Pennsylvania is $89,546 — above the national median of $80,734. The Pennsylvania state median is $77,971.
What is the political history of Delaware County, Pennsylvania?
Akashic tracks 38 presidential elections in Delaware County, Pennsylvania from 1876 to 2024. Of those, 10 went Democratic and 23 went Republican.