Hamilton County, Indiana
AkashicHamilton County, INTrumpR+6.1
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
| Donald Trump ✓Republican | 52.0% | 102,318 |
|---|---|---|
| Kamala HarrisDemocratic | 45.9% | 90,394 |
| Robert F KennedyWe The People | 1.0% | 1,912 |
Harris +50Trump +50
220 precincts · 196,727 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 | 45.9%Harris90,394 | 52.0%Trump102,318 | 1.0%Kennedy1,912 | 196,727 | ||
| R | 45.6%Biden88,390 | 52.4%Trump101,587 | 2.0%Jorgensen3,894 | 193,999 | ||
| R | 36.7%Clinton57,214 | 56.0%Trump87,299 | 5.9%Johnson9,122 | 155,812 | ||
| R | 31.9%Obama43,796 | 66.2%Romney90,747 | 1.7%Johnson2,269 | 137,089 | ||
| R | 38.5%Obama49,704 | 60.7%McCain78,401 | 0.7%Barr959 | 129,064 | ||
| R | 25.2%Kerry26,388 | 74.2%Bush77,887 | 0.6%Badnarik631 | 104,906 | ||
| R | 23.7%Gore18,002 | 74.2%Bush56,372 | 2.0%Buchanan1,552 | 75,926 | ||
| R | 23.0%Clinton14,153 | 69.4%Dole42,792 | 6.9%Perot4,234 | 61,619 | ||
| R | 18.4%Clinton10,215 | 62.5%Bush34,622 | 18.7%Perot10,365 | 55,434 | ||
| R | 19.4%Dukakis8,853 | 80.4%Bush36,654 | 0.2%Fulani108 | 45,615 | ||
| R | 17.3%Mondale6,364 | 82.3%Reagan30,254 | 0.4%Dennis143 | 36,761 | ||
| R | 19.9%Carter7,036 | 74.2%Reagan26,218 | 5.9%Anderson2,073 | 35,327 | ||
| R | 26.2%Carter7,857 | 72.9%Ford21,828 | 0.9%Anderson273 | 29,958 | ||
| R | 17.0%McGovern4,151 | 82.7%Nixon20,247 | 0.3%Schmitz72 | 24,470 | ||
| R | 21.8%Humphrey4,586 | 67.6%Nixon14,250 | 10.6%Wallace2,233 | 21,069 | ||
| R | 38.4%Johnson7,553 | 61.3%Goldwater12,060 | 0.3%Hass68 | 19,681 | ||
| R | 29.0%Kennedy5,511 | 70.6%Nixon13,409 | 0.3%Byrd64 | 18,984 | ||
| R | 30.6%Stevenson4,974 | 69.0%Eisenhower11,220 | 0.5%Andrews77 | 16,271 | ||
| R | 29.3%Stevenson4,564 | 69.7%Eisenhower10,843 | 1.0%Hallinan153 | 15,560 | ||
| R | 36.2%Truman4,384 | 62.1%Dewey7,521 | 1.7%Thurmond202 | 12,107 | ||
| R | 32.7%Roosevelt4,101 | 66.1%Dewey8,297 | 1.3%Thomas162 | 12,560 | ||
| R | 34.7%Roosevelt4,791 | 64.7%Willkie8,931 | 0.5%Thomas75 | 13,797 | ||
| R | 41.9%Roosevelt5,396 | 56.9%Landon7,323 | 1.2%Lemke151 | 12,870 | ||
| R | 44.8%Roosevelt5,999 | 53.1%Hoover7,100 | 2.1%Thomas277 | 13,376 | ||
| R | 31.0%Smith3,611 | 68.4%Hoover7,960 | 0.6%Thomas74 | 11,645 | ||
| R | 32.9%Davis3,785 | 64.9%Coolidge7,463 | 2.2%La Follette250 | 11,498 | ||
| R | 34.2%Cox4,280 | 63.0%Harding7,897 | 2.8%Debs350 | 12,527 | ||
| R | 38.8%Wilson2,799 | 54.8%Hughes3,951 | 6.4%Benson462 | 7,212 | ||
| D | 34.9%Wilson2,463 | 31.9%Taft2,247 | 33.2%Roosevelt2,342 | 7,052 | ||
| R | 37.6%Bryan2,947 | 56.5%Taft4,421 | 5.9%Debs460 | 7,828 | ||
| R | 32.4%Parker2,469 | 63.5%Roosevelt4,832 | 4.1%Debs309 | 7,610 | ||
| R | 35.9%Bryan2,931 | 58.6%McKinley4,788 | 5.5%Woolley449 | 8,168 | ||
| R | 38.0%Bryan2,947 | 59.8%McKinley4,643 | 2.2%Palmer171 | 7,761 | ||
| R | 37.5%Cleveland2,492 | 54.5%Harrison3,627 | 8.0%Weaver533 | 6,652 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −17.1% |
| 1896 | −21.9% |
| 1900 | −22.7% |
| 1904 | −31.1% |
| 1908 | −18.8% |
| 1912 | +3.1% |
| 1916 | −16.0% |
| 1920 | −28.9% |
| 1924 | −32.0% |
| 1928 | −37.3% |
| 1932 | −8.2% |
| 1936 | −15.0% |
| 1940 | −30.0% |
| 1944 | −33.4% |
| 1948 | −25.9% |
| 1952 | −40.4% |
| 1956 | −38.4% |
| 1960 | −41.6% |
| 1964 | −22.9% |
| 1968 | −45.9% |
| 1972 | −65.8% |
| 1976 | −46.6% |
| 1980 | −54.3% |
| 1984 | −65.0% |
| 1988 | −60.9% |
| 1992 | −44.0% |
| 1996 | −46.5% |
| 2000 | −50.5% |
| 2004 | −49.1% |
| 2008 | −22.2% |
| 2012 | −34.2% |
| 2016 | −19.3% |
| 2020 | −6.8% |
| 2024 | −6.1% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 232,242 |
| 2018 | 235,632 |
| 2020 | 256,553 |
| 2022 | 270,920 |
| 2024 | 283,132 |
Source: U.S. Election Assistance Commission (EAVS)
Hamilton County's rapid suburban growth north of Indianapolis has compressed Republican margins from landslide territory to the mid-single digits, making it a bellwether for how college-educated exurban voters are reshaping Indiana's political math.
Across the recorded series it reached a Democratic high of 3.1 points in 1912 and a Republican high of 65.8 points in 1972. Between 2020 and 2024 the county moved 0.7 points toward the Democratic candidate; the 2024 margin was 6.1 points.
A population of 365,056, a 79% non-Hispanic-white share, and a median household income of $121,530 describe the county. The county's voting pattern over the last decade is most similar to that of Douglas County and Delaware County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Hamilton County, Indiana. Akashic. https://akashic.app/county/18057/. 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, Indiana vote in 2024?
In 2024, Hamilton County, Indiana voted Republican by 6.1 points (R+6.1), carried by the Republican candidate. Out of 196,727 votes cast, 90,394 went Democratic and 102,318 went Republican.
When did Hamilton County, Indiana last vote Democratic?
The most recent presidential election in which Hamilton County, Indiana voted Democratic was 1912.
How many people live in Hamilton County, Indiana?
Hamilton County, Indiana has a population of 365,056 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Hamilton County, Indiana?
Median household income in Hamilton County, Indiana is $121,530 — above the national median of $80,734. The Indiana state median is $71,957.
What is the political history of Hamilton County, Indiana?
Akashic tracks 38 presidential elections in Hamilton County, Indiana from 1876 to 2024. Of those, 1 went Democratic and 33 went Republican.