Clinton County, Iowa
AkashicClinton County, IATrumpR+18.8
2024 precinct map of Clinton CountyPrecinct-level 2024 presidential results for Clinton 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 | 58.5% | 13,964 |
|---|---|---|
| Kamala HarrisDemocratic | 39.7% | 9,472 |
| Robert F Kennedy Jr.We The People | 1.0% | 250 |
Harris +50Trump +50
24 precincts · 23,878 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 | 39.7%Harris9,472 | 58.5%Trump13,964 | 1.0%Kennedy250 | 23,878 | ||
| R | 43.8%Biden10,812 | 54.1%Trump13,361 | 1.3%Jorgensen314 | 24,687 | ||
| R | 43.2%Clinton10,095 | 48.3%Trump11,276 | 3.5%Johnson825 | 23,347 | ||
| D | 60.6%Obama15,141 | 37.7%Romney9,432 | 0.7%Johnson187 | 25,000 | ||
| D | 60.8%Obama15,018 | 37.7%McCain9,324 | 1.5%Nader377 | 24,719 | ||
| D | 56.0%Kerry13,813 | 43.2%Bush10,666 | 0.8%Other205 | 24,684 | ||
| D | 55.3%Gore12,276 | 41.6%Bush9,229 | 2.1%Nader471 | 22,180 | ||
| D | 53.2%Clinton11,481 | 35.3%Dole7,624 | 10.7%Perot2,300 | 21,595 | ||
| D | 46.8%Clinton11,683 | 35.0%Bush8,746 | 17.7%Perot4,414 | 24,960 | ||
| D | 54.6%Dukakis12,549 | 44.5%Bush10,243 | 0.9%Larouche210 | 23,002 | ||
| R | 44.2%Mondale11,240 | 54.8%Reagan13,914 | 1.0%Larouche250 | 25,404 | ||
| R | 38.5%Carter9,698 | 51.7%Reagan13,025 | 9.9%Anderson2,488 | 25,211 | ||
| R | 47.9%Carter11,746 | 50.5%Ford12,401 | 1.6%McCarthy387 | 24,534 | ||
| R | 43.1%McGovern9,895 | 55.6%Nixon12,768 | 1.3%Schmitz301 | 22,964 | ||
| R | 42.9%Humphrey9,515 | 51.9%Nixon11,513 | 5.2%Wallace1,147 | 22,175 | ||
| D | 63.3%Johnson14,267 | 36.5%Goldwater8,219 | 0.2%Hass47 | 22,533 | ||
| R | 43.2%Kennedy10,508 | 56.7%Nixon13,797 | 0.1%Byrd25 | 24,330 | ||
| R | 36.2%Stevenson8,394 | 63.6%Eisenhower14,765 | 0.2%Andrews49 | 23,208 | ||
| R | 34.1%Stevenson7,975 | 65.7%Eisenhower15,372 | 0.2%Hallinan38 | 23,385 | ||
| R | 45.7%Truman8,534 | 52.8%Dewey9,859 | 1.5%Thurmond272 | 18,665 | ||
| R | 40.9%Roosevelt8,028 | 58.8%Dewey11,533 | 0.3%Thomas63 | 19,624 | ||
| R | 45.6%Roosevelt10,251 | 54.2%Willkie12,177 | 0.2%Thomas50 | 22,478 | ||
| D | 53.2%Roosevelt12,269 | 43.5%Landon10,016 | 3.3%Lemke757 | 23,042 | ||
| D | 57.5%Roosevelt12,587 | 41.5%Hoover9,085 | 1.0%Thomas208 | 21,880 | ||
| R | 41.2%Smith8,643 | 58.6%Hoover12,295 | 0.3%Thomas54 | 20,992 | ||
| R | 19.4%Davis3,811 | 52.7%Coolidge10,359 | 27.9%La Follette5,495 | 19,665 | ||
| R | 18.0%Cox3,153 | 67.0%Harding11,746 | 15.0%Debs2,637 | 17,536 | ||
| R | 39.6%Wilson3,903 | 56.6%Hughes5,576 | 3.8%Benson371 | 9,850 | ||
| O | 39.6%Wilson3,633 | 20.6%Taft1,890 | 39.9%Roosevelt3,662 | 9,185 | ||
| R | 48.5%Bryan4,821 | 48.7%Taft4,836 | 2.8%Debs277 | 9,934 | ||
| R | 41.2%Parker4,074 | 53.2%Roosevelt5,265 | 5.6%Debs552 | 9,891 | ||
| R | 45.6%Bryan4,758 | 51.2%McKinley5,344 | 3.2%Woolley337 | 10,439 | ||
| R | 44.4%Bryan4,590 | 54.0%McKinley5,584 | 1.6%Palmer163 | 10,337 | ||
| D | 58.1%Cleveland5,649 | 40.0%Harrison3,893 | 1.9%Weaver184 | 9,726 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +18.1% |
| 1896 | −9.6% |
| 1900 | −5.6% |
| 1904 | −12.0% |
| 1908 | −0.2% |
| 1912 | +19.0% |
| 1916 | −17.0% |
| 1920 | −49.0% |
| 1924 | −33.3% |
| 1928 | −17.4% |
| 1932 | +16.0% |
| 1936 | +9.8% |
| 1940 | −8.6% |
| 1944 | −17.9% |
| 1948 | −7.1% |
| 1952 | −31.6% |
| 1956 | −27.5% |
| 1960 | −13.5% |
| 1964 | +26.8% |
| 1968 | −9.0% |
| 1972 | −12.5% |
| 1976 | −2.7% |
| 1980 | −13.2% |
| 1984 | −10.5% |
| 1988 | +10.0% |
| 1992 | +11.8% |
| 1996 | +17.9% |
| 2000 | +13.7% |
| 2004 | +12.7% |
| 2008 | +23.0% |
| 2012 | +22.8% |
| 2016 | −5.1% |
| 2020 | −10.3% |
| 2024 | −18.8% |
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 33,068 | 11,806 | 7,374 | 13,882 | 6 |
| 2010 | 33,870 | 11,959 | 7,805 | 14,091 | 15 |
| 2012 | 34,706 | 12,216 | 7,859 | 14,603 | 28 |
| 2014 | 34,169 | 11,440 | 7,818 | 14,863 | 48 |
| 2016 | 34,226 | 11,155 | 8,216 | 14,740 | 115 |
| 2018 | 33,299 | 10,184 | 8,145 | 14,810 | 160 |
| 2020 | 34,340 | 11,060 | 9,933 | 13,114 | 233 |
| 2022 | 33,949 | 10,064 | 10,248 | 13,390 | 247 |
| 2024 | 34,171 | 9,037 | 10,744 | 14,117 | 273 |
Source: Iowa Secretary of State
Clinton County backed Democratic presidential candidates as recently as 2008, but by 2024 had swung to an R+18.8 margin — a pattern typical of deindustrialized river communities across the upper Midwest.
Across the recorded series it reached a Democratic high of 26.8 points in 1964 and a Republican high of 49.0 points in 1920. Between 2020 and 2024 the county moved 8.5 points toward the Republican candidate; the 2024 margin was 18.8 points.
A population of 46,268, a 89% non-Hispanic-white share, and a median household income of $66,981 describe the county. The county's voting pattern over the last decade is most similar to that of Crawford County and Knox County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Clinton County, Iowa. Akashic. https://akashic.app/county/19045/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Clinton County, Iowa vote in 2024?
In 2024, Clinton County, Iowa voted Republican by 18.8 points (R+18.8), carried by the Republican candidate. Out of 23,878 votes cast, 9,472 went Democratic and 13,964 went Republican.
When did Clinton County, Iowa last vote Democratic?
The most recent presidential election in which Clinton County, Iowa voted Democratic was 2012.
How many people live in Clinton County, Iowa?
Clinton County, Iowa has a population of 46,268 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Clinton County, Iowa?
Median household income in Clinton County, Iowa is $66,981 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Clinton County, Iowa?
Akashic tracks 38 presidential elections in Clinton County, Iowa from 1876 to 2024. Of those, 11 went Democratic and 22 went Republican.