Hamilton County, Ohio
AkashicHamilton County, OHHarrisD+14.9
2024 precinct map of Hamilton CountyPrecinct-level 2024 presidential results for Hamilton 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 | 56.9% | 233,360 |
|---|---|---|
| Donald TrumpRepublican | 42.0% | 172,365 |
| Chase OliverIndependent | 0.6% | 2,420 |
Harris +50Trump +50
561 precincts · 410,085 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 | 56.9%Harris233,360 | 42.0%Trump172,365 | 0.6%Oliver2,420 | 410,085 | ||
| D | 57.1%Biden246,266 | 41.3%Trump177,886 | 1.2%Jorgensen5,211 | 430,929 | ||
| D | 51.7%Clinton215,719 | 41.6%Trump173,665 | 3.2%Johnson13,200 | 417,456 | ||
| D | 52.1%Obama219,927 | 45.8%Romney193,326 | 0.9%Johnson3,756 | 421,997 | ||
| D | 53.0%Obama225,213 | 46.0%McCain195,530 | 1.0%Nader4,343 | 425,086 | ||
| R | 47.1%Kerry199,679 | 52.5%Bush222,616 | 0.4%Other1,730 | 424,025 | ||
| R | 42.8%Gore161,578 | 54.0%Bush204,175 | 2.4%Nader9,222 | 377,899 | ||
| R | 43.1%Clinton160,458 | 50.1%Dole186,493 | 5.7%Perot21,335 | 372,068 | ||
| R | 36.8%Clinton148,409 | 47.7%Bush192,447 | 14.9%Perot60,145 | 403,420 | ||
| R | 37.9%Dukakis140,354 | 61.3%Bush227,004 | 0.8%Fulani3,026 | 370,384 | ||
| R | 36.1%Mondale140,350 | 63.3%Reagan246,288 | 0.6%Serrette2,177 | 388,815 | ||
| R | 36.0%Carter129,114 | 57.7%Reagan206,979 | 6.3%Anderson22,448 | 358,541 | ||
| R | 38.4%Carter135,605 | 59.8%Ford211,267 | 1.8%McCarthy6,207 | 353,079 | ||
| R | 32.7%McGovern119,054 | 65.6%Nixon239,212 | 1.7%Schmitz6,119 | 364,385 | ||
| R | 37.0%Humphrey135,057 | 50.2%Nixon183,611 | 12.8%Wallace46,815 | 365,483 | ||
| D | 55.3%Johnson199,127 | 44.7%Goldwater161,179 | 0.0% | 360,306 | ||
| R | 45.5%Kennedy176,215 | 54.5%Nixon211,068 | 0.0% | 387,283 | ||
| R | 33.9%Stevenson113,797 | 66.1%Eisenhower222,009 | 0.0% | 335,806 | ||
| R | 40.4%Stevenson140,785 | 59.6%Eisenhower207,690 | 0.0% | 348,475 | ||
| R | 46.9%Truman135,290 | 52.4%Dewey151,055 | 0.7%Thurmond2,068 | 288,413 | ||
| R | 48.2%Roosevelt144,470 | 51.8%Dewey154,960 | 0.0% | 299,430 | ||
| R | 49.0%Roosevelt148,907 | 51.0%Willkie154,733 | 0.0% | 303,640 | ||
| D | 54.6%Roosevelt153,117 | 38.7%Landon108,506 | 6.7%Lemke18,813 | 280,436 | ||
| D | 49.4%Roosevelt123,109 | 47.7%Hoover118,804 | 2.9%Thomas7,163 | 249,076 | ||
| R | 42.6%Smith110,151 | 57.0%Hoover147,534 | 0.4%Thomas1,007 | 258,692 | ||
| R | 18.3%Davis34,916 | 60.7%Coolidge115,950 | 21.0%La Follette40,163 | 191,029 | ||
| R | 39.4%Cox77,598 | 57.2%Harding112,590 | 3.4%Debs6,778 | 196,966 | ||
| R | 43.3%Wilson51,990 | 53.3%Hughes64,030 | 3.4%Benson4,049 | 120,069 | ||
| D | 39.0%Wilson42,909 | 38.3%Taft42,119 | 22.7%Roosevelt24,921 | 109,949 | ||
| R | 40.2%Bryan45,429 | 56.5%Taft63,803 | 3.3%Debs3,714 | 112,946 | ||
| R | 25.4%Parker24,936 | 66.4%Roosevelt65,129 | 8.1%Debs7,973 | 98,038 | ||
| R | 41.3%Bryan40,228 | 56.9%McKinley55,466 | 1.9%Woolley1,821 | 97,515 | ||
| R | 39.6%Bryan38,165 | 59.9%McKinley57,749 | 0.6%Palmer561 | 96,475 | ||
| R | 46.8%Cleveland38,392 | 51.1%Harrison41,963 | 2.1%Weaver1,685 | 82,040 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −4.4% |
| 1896 | −20.3% |
| 1900 | −15.6% |
| 1904 | −41.0% |
| 1908 | −16.3% |
| 1912 | +0.7% |
| 1916 | −10.0% |
| 1920 | −17.8% |
| 1924 | −42.4% |
| 1928 | −14.5% |
| 1932 | +1.7% |
| 1936 | +15.9% |
| 1940 | −1.9% |
| 1944 | −3.5% |
| 1948 | −5.5% |
| 1952 | −19.2% |
| 1956 | −32.2% |
| 1960 | −9.0% |
| 1964 | +10.5% |
| 1968 | −13.3% |
| 1972 | −33.0% |
| 1976 | −21.4% |
| 1980 | −21.7% |
| 1984 | −27.2% |
| 1988 | −23.4% |
| 1992 | −10.9% |
| 1996 | −7.0% |
| 2000 | −11.3% |
| 2004 | −5.4% |
| 2008 | +7.0% |
| 2012 | +6.3% |
| 2016 | +10.1% |
| 2020 | +15.9% |
| 2024 | +14.9% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 580,341 |
| 2018 | 597,883 |
| 2020 | 600,386 |
| 2022 | 596,787 |
| 2024 | 604,199 |
Source: U.S. Election Assistance Commission (EAVS)
Hamilton County anchors southwest Ohio with more than 845,000 residents and delivered a 14.9-point Democratic margin in 2024, a dramatic reversal from its long Republican lean driven by suburban realignment in and around Cincinnati.
Across the recorded series it reached a Democratic high of 15.9 points in 1936 and a Republican high of 42.4 points in 1924. Between 2020 and 2024 the county moved 1.0 points toward the Republican candidate; the 2024 margin was 14.9 points.
A population of 830,774, a 62% non-Hispanic-white share, and a median household income of $72,470 describe the county. The county's voting pattern over the last decade is most similar to that of Henrico County and Loudoun County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Hamilton County, Ohio. Akashic. https://akashic.app/county/39061/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Cities & towns in Hamilton County
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Frequently asked questions
How did Hamilton County, Ohio vote in 2024?
In 2024, Hamilton County, Ohio voted Democratic by 14.9 points (D+14.9), carried by the Democratic candidate. Out of 410,085 votes cast, 233,360 went Democratic and 172,365 went Republican.
When did Hamilton County, Ohio last vote Republican?
The most recent presidential election in which Hamilton County, Ohio voted Republican was 2004.
How many people live in Hamilton County, Ohio?
Hamilton County, Ohio has a population of 830,774 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Hamilton County, Ohio?
Median household income in Hamilton County, Ohio is $72,470 — below the national median of $80,734. The Ohio state median is $71,389.
What is the political history of Hamilton County, Ohio?
Akashic tracks 38 presidential elections in Hamilton County, Ohio from 1876 to 2024. Of those, 9 went Democratic and 25 went Republican.