Hamilton County, Iowa
AkashicHamilton County, IATrumpR+33.2
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 | 65.9% | 5,004 |
|---|---|---|
| Kamala HarrisDemocratic | 32.7% | 2,482 |
| Robert F Kennedy Jr.We The People | 0.7% | 51 |
Harris +50Trump +50
7 precincts · 7,597 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 | 32.7%Harris2,482 | 65.9%Trump5,004 | 0.7%Kennedy51 | 7,597 | ||
| R | 35.8%Biden2,843 | 62.4%Trump4,956 | 0.9%Jorgensen71 | 7,943 | ||
| R | 35.0%Clinton2,726 | 57.3%Trump4,463 | 3.3%Johnson259 | 7,785 | ||
| R | 47.7%Obama3,782 | 50.3%Romney3,991 | 0.7%Johnson54 | 7,927 | ||
| D | 49.7%Obama4,018 | 48.4%McCain3,913 | 1.8%Nader147 | 8,078 | ||
| R | 46.7%Kerry3,895 | 52.4%Bush4,367 | 0.9%Other73 | 8,335 | ||
| R | 45.0%Gore3,407 | 52.4%Bush3,968 | 1.9%Nader141 | 7,574 | ||
| D | 47.5%Clinton3,455 | 42.7%Dole3,109 | 9.1%Perot661 | 7,277 | ||
| D | 42.5%Clinton3,262 | 39.5%Bush3,031 | 17.5%Perot1,348 | 7,681 | ||
| D | 55.5%Dukakis4,156 | 43.7%Bush3,277 | 0.8%Larouche61 | 7,494 | ||
| R | 43.3%Mondale3,330 | 55.6%Reagan4,279 | 1.1%Larouche86 | 7,695 | ||
| R | 33.2%Carter2,741 | 57.4%Reagan4,745 | 9.4%Anderson780 | 8,266 | ||
| D | 49.3%Carter3,953 | 49.0%Ford3,932 | 1.7%McCarthy140 | 8,025 | ||
| R | 36.9%McGovern2,913 | 60.9%Nixon4,803 | 2.2%Schmitz174 | 7,890 | ||
| R | 38.2%Humphrey3,058 | 57.6%Nixon4,607 | 4.2%Wallace336 | 8,001 | ||
| D | 62.3%Johnson5,195 | 37.5%Goldwater3,127 | 0.1%Hass10 | 8,332 | ||
| R | 42.6%Kennedy3,905 | 57.4%Nixon5,265 | 0.0%Byrd4 | 9,174 | ||
| R | 40.2%Stevenson3,829 | 59.6%Eisenhower5,667 | 0.2%Andrews18 | 9,514 | ||
| R | 28.4%Stevenson2,788 | 71.3%Eisenhower7,006 | 0.3%Hallinan34 | 9,828 | ||
| D | 49.2%Truman3,613 | 48.1%Dewey3,535 | 2.7%Thurmond197 | 7,345 | ||
| D | 52.6%Roosevelt4,302 | 46.9%Dewey3,837 | 0.5%Thomas41 | 8,180 | ||
| D | 55.6%Roosevelt5,279 | 44.0%Willkie4,183 | 0.4%Thomas39 | 9,501 | ||
| D | 62.0%Roosevelt5,432 | 36.2%Landon3,174 | 1.7%Lemke152 | 8,758 | ||
| D | 68.1%Roosevelt5,191 | 30.6%Hoover2,330 | 1.4%Thomas103 | 7,624 | ||
| R | 41.4%Smith2,975 | 58.0%Hoover4,171 | 0.6%Thomas44 | 7,190 | ||
| R | 6.8%Davis490 | 60.7%Coolidge4,401 | 32.5%La Follette2,355 | 7,246 | ||
| R | 15.8%Cox1,126 | 82.9%Harding5,924 | 1.4%Debs98 | 7,148 | ||
| R | 26.3%Wilson1,125 | 70.9%Hughes3,037 | 2.8%Benson119 | 4,281 | ||
| O | 24.3%Wilson1,041 | 19.4%Taft831 | 56.4%Roosevelt2,418 | 4,290 | ||
| R | 28.2%Bryan1,145 | 68.2%Taft2,765 | 3.6%Debs146 | 4,056 | ||
| R | 18.4%Parker746 | 77.1%Roosevelt3,118 | 4.5%Debs181 | 4,045 | ||
| R | 25.5%Bryan1,134 | 73.2%McKinley3,259 | 1.4%Woolley62 | 4,455 | ||
| R | 29.3%Bryan1,300 | 69.2%McKinley3,074 | 1.5%Palmer65 | 4,439 | ||
| R | 36.4%Cleveland1,227 | 61.5%Harrison2,073 | 2.2%Weaver73 | 3,373 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −25.1% |
| 1896 | −40.0% |
| 1900 | −47.7% |
| 1904 | −58.6% |
| 1908 | −39.9% |
| 1912 | +4.9% |
| 1916 | −44.7% |
| 1920 | −67.1% |
| 1924 | −54.0% |
| 1928 | −16.6% |
| 1932 | +37.5% |
| 1936 | +25.8% |
| 1940 | +11.5% |
| 1944 | +5.7% |
| 1948 | +1.1% |
| 1952 | −42.9% |
| 1956 | −19.3% |
| 1960 | −14.8% |
| 1964 | +24.8% |
| 1968 | −19.4% |
| 1972 | −24.0% |
| 1976 | +0.3% |
| 1980 | −24.2% |
| 1984 | −12.3% |
| 1988 | +11.7% |
| 1992 | +3.0% |
| 1996 | +4.8% |
| 2000 | −7.4% |
| 2004 | −5.7% |
| 2008 | +1.3% |
| 2012 | −2.6% |
| 2016 | −22.3% |
| 2020 | −26.6% |
| 2024 | −33.2% |
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 11,132 | 3,258 | 3,720 | 4,149 | 5 |
| 2010 | 11,163 | 3,142 | 3,875 | 4,139 | 7 |
| 2012 | 11,086 | 3,038 | 3,804 | 4,240 | 4 |
| 2014 | 10,795 | 2,751 | 3,727 | 4,301 | 16 |
| 2016 | 10,517 | 2,525 | 4,196 | 3,757 | 39 |
| 2018 | 10,303 | 2,430 | 4,068 | 3,743 | 62 |
| 2020 | 10,386 | 2,582 | 4,588 | 3,154 | 62 |
| 2022 | 10,160 | 2,374 | 4,498 | 3,218 | 70 |
| 2024 | 10,210 | 2,140 | 4,671 | 3,334 | 65 |
Source: Iowa Secretary of State
Hamilton County's agricultural economy and sparse small-town population have pushed its presidential margins steadily rightward over the past two decades, landing at R+33.2 in 2024 — well above the statewide average.
Across the recorded series it reached a Democratic high of 37.5 points in 1932 and a Republican high of 67.1 points in 1920. Between 2020 and 2024 the county moved 6.6 points toward the Republican candidate; the 2024 margin was 33.2 points.
A population of 14,886, a 84% non-Hispanic-white share, and a median household income of $72,432 describe the county. The county's voting pattern over the last decade is most similar to that of Hardin County and Carroll County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Hamilton County, Iowa. Akashic. https://akashic.app/county/19079/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Hamilton County, Iowa vote in 2024?
In 2024, Hamilton County, Iowa voted Republican by 33.2 points (R+33.2), carried by the Republican candidate. Out of 7,597 votes cast, 2,482 went Democratic and 5,004 went Republican.
When did Hamilton County, Iowa last vote Democratic?
The most recent presidential election in which Hamilton County, Iowa voted Democratic was 2008.
How many people live in Hamilton County, Iowa?
Hamilton County, Iowa has a population of 14,886 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Hamilton County, Iowa?
Median household income in Hamilton County, Iowa is $72,432 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Hamilton County, Iowa?
Akashic tracks 38 presidential elections in Hamilton County, Iowa from 1876 to 2024. Of those, 11 went Democratic and 22 went Republican.