Delaware County, Ohio
AkashicDelaware County, OHTrumpR+6.6
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
| Donald Trump ✓Republican | 52.8% | 70,448 |
|---|---|---|
| Kamala HarrisDemocratic | 46.2% | 61,657 |
| Chase OliverIndependent | 0.6% | 770 |
Harris +50Trump +50
170 precincts · 133,392 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 |
|---|---|---|---|---|---|---|
| R | 46.2%Harris61,657 | 52.8%Trump70,448 | 0.6%Oliver770 | 133,392 | ||
| R | 45.8%Biden57,735 | 52.6%Trump66,356 | 1.3%Jorgensen1,630 | 126,070 | ||
| R | 38.2%Clinton40,872 | 53.8%Trump57,568 | 3.8%Johnson4,116 | 106,996 | ||
| R | 37.6%Obama37,292 | 60.6%Romney60,194 | 0.9%Johnson851 | 99,254 | ||
| R | 39.6%Obama36,653 | 59.2%McCain54,778 | 1.2%Nader1,150 | 92,581 | ||
| R | 33.6%Kerry27,048 | 66.1%Bush53,143 | 0.3%Other265 | 80,456 | ||
| R | 30.9%Gore17,134 | 66.1%Bush36,639 | 2.2%Nader1,212 | 55,403 | ||
| R | 32.5%Clinton13,463 | 58.2%Dole24,123 | 8.4%Perot3,471 | 41,415 | ||
| R | 25.1%Clinton9,263 | 49.4%Bush18,225 | 25.1%Perot9,244 | 36,873 | ||
| R | 26.6%Dukakis7,590 | 72.6%Bush20,693 | 0.8%Fulani215 | 28,498 | ||
| R | 23.1%Mondale5,773 | 76.2%Reagan19,050 | 0.7%Serrette166 | 24,989 | ||
| R | 28.1%Carter6,417 | 64.5%Reagan14,740 | 7.5%Anderson1,704 | 22,861 | ||
| R | 35.6%Carter7,058 | 61.9%Ford12,285 | 2.6%McCarthy510 | 19,853 | ||
| R | 24.9%McGovern4,452 | 72.4%Nixon12,950 | 2.7%Schmitz484 | 17,886 | ||
| R | 25.9%Humphrey4,056 | 57.7%Nixon9,029 | 16.4%Wallace2,559 | 15,644 | ||
| R | 49.0%Johnson8,080 | 51.0%Goldwater8,395 | 0.0% | 16,475 | ||
| R | 31.9%Kennedy5,334 | 68.1%Nixon11,391 | 0.0% | 16,725 | ||
| R | 27.1%Stevenson3,997 | 72.9%Eisenhower10,739 | 0.0% | 14,736 | ||
| R | 28.4%Stevenson4,239 | 71.6%Eisenhower10,682 | 0.0% | 14,921 | ||
| R | 35.0%Truman4,371 | 64.7%Dewey8,089 | 0.4%Thurmond46 | 12,506 | ||
| R | 33.2%Roosevelt4,569 | 66.8%Dewey9,186 | 0.0% | 13,755 | ||
| R | 37.2%Roosevelt5,666 | 62.8%Willkie9,570 | 0.0% | 15,236 | ||
| R | 47.9%Roosevelt7,045 | 50.1%Landon7,364 | 2.0%Lemke300 | 14,709 | ||
| R | 46.6%Roosevelt6,196 | 51.4%Hoover6,833 | 2.0%Thomas271 | 13,300 | ||
| R | 31.3%Smith3,720 | 67.8%Hoover8,049 | 0.9%Thomas111 | 11,880 | ||
| R | 31.7%Davis3,537 | 60.4%Coolidge6,731 | 7.8%La Follette874 | 11,142 | ||
| R | 40.3%Cox5,241 | 59.2%Harding7,700 | 0.5%Debs63 | 13,004 | ||
| D | 51.0%Wilson3,754 | 47.0%Hughes3,461 | 2.1%Benson153 | 7,368 | ||
| D | 40.1%Wilson2,934 | 35.3%Taft2,584 | 24.6%Roosevelt1,798 | 7,316 | ||
| R | 43.9%Bryan3,330 | 52.8%Taft4,007 | 3.4%Debs256 | 7,593 | ||
| R | 36.8%Parker2,607 | 58.8%Roosevelt4,163 | 4.4%Debs308 | 7,078 | ||
| R | 45.6%Bryan3,337 | 51.4%McKinley3,765 | 3.0%Woolley223 | 7,325 | ||
| R | 48.0%Bryan3,612 | 50.4%McKinley3,789 | 1.6%Palmer118 | 7,519 | ||
| R | 40.8%Cleveland2,710 | 49.2%Harrison3,267 | 10.1%Weaver668 | 6,645 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −8.4% |
| 1896 | −2.4% |
| 1900 | −5.8% |
| 1904 | −22.0% |
| 1908 | −8.9% |
| 1912 | +4.8% |
| 1916 | +4.0% |
| 1920 | −18.9% |
| 1924 | −28.7% |
| 1928 | −36.4% |
| 1932 | −4.8% |
| 1936 | −2.2% |
| 1940 | −25.6% |
| 1944 | −33.6% |
| 1948 | −29.7% |
| 1952 | −43.2% |
| 1956 | −45.8% |
| 1960 | −36.2% |
| 1964 | −1.9% |
| 1968 | −31.8% |
| 1972 | −47.5% |
| 1976 | −26.3% |
| 1980 | −36.4% |
| 1984 | −53.1% |
| 1988 | −46.0% |
| 1992 | −24.3% |
| 1996 | −25.7% |
| 2000 | −35.2% |
| 2004 | −32.4% |
| 2008 | −19.6% |
| 2012 | −23.1% |
| 2016 | −15.6% |
| 2020 | −6.8% |
| 2024 | −6.6% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 133,074 |
| 2018 | 141,937 |
| 2020 | 151,756 |
| 2022 | 156,588 |
| 2024 | 165,371 |
Source: U.S. Election Assistance Commission (EAVS)
Delaware County's rapid population growth, driven by Columbus metro spillover, has steadily compressed what were once double-digit Republican presidential margins, making it a bellwether for how exurban Ohio continues to shift.
Across the recorded series it reached a Democratic high of 4.8 points in 1912 and a Republican high of 53.1 points in 1984. The 2024 margin was 6.6 points.
A population of 226,834, a 79% non-Hispanic-white share, and a median household income of $133,540 describe the county. The county's voting pattern over the last decade is most similar to that of Fayette County and York County.
Most similar counties
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 →
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Delaware County, Ohio. Akashic. https://akashic.app/county/39041/. Accessed May 20, 2026. License: CC BY 4.0.
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Cities & towns in Delaware County
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Frequently asked questions
How did Delaware County, Ohio vote in 2024?
In 2024, Delaware County, Ohio voted Republican by 6.6 points (R+6.6), carried by the Republican candidate. Out of 133,392 votes cast, 61,657 went Democratic and 70,448 went Republican.
When did Delaware County, Ohio last vote Democratic?
The most recent presidential election in which Delaware County, Ohio voted Democratic was 1916.
How many people live in Delaware County, Ohio?
Delaware County, Ohio has a population of 226,834 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Delaware County, Ohio?
Median household income in Delaware County, Ohio is $133,540 — above the national median of $80,734. The Ohio state median is $71,389.
What is the political history of Delaware County, Ohio?
Akashic tracks 38 presidential elections in Delaware County, Ohio from 1876 to 2024. Of those, 2 went Democratic and 32 went Republican.