Clayton County, Iowa
AkashicClayton County, IATrumpR+34.4
2024 precinct map of Clayton CountyPrecinct-level 2024 presidential results for Clayton 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 | 66.5% | 6,255 |
|---|---|---|
| Kamala HarrisDemocratic | 32.1% | 3,017 |
| Robert F Kennedy Jr.We The People | 0.7% | 63 |
Harris +50Trump +50
12 precincts · 9,400 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 | 32.1%Harris3,017 | 66.5%Trump6,255 | 0.7%Kennedy63 | 9,400 | ||
| R | 34.8%Biden3,340 | 63.6%Trump6,106 | 0.9%Jorgensen82 | 9,594 | ||
| R | 35.1%Clinton3,237 | 57.7%Trump5,317 | 3.6%Johnson334 | 9,217 | ||
| D | 52.6%Obama4,806 | 45.6%Romney4,164 | 0.6%Johnson57 | 9,138 | ||
| D | 57.8%Obama5,195 | 40.6%McCain3,651 | 1.6%Nader143 | 8,989 | ||
| D | 51.7%Kerry4,736 | 47.0%Bush4,312 | 1.3%Other120 | 9,168 | ||
| D | 49.4%Gore4,238 | 47.1%Bush4,034 | 2.4%Nader206 | 8,571 | ||
| D | 52.3%Clinton4,284 | 35.9%Dole2,944 | 11.1%Perot912 | 8,194 | ||
| D | 40.7%Clinton3,742 | 33.1%Bush3,044 | 25.1%Perot2,309 | 9,190 | ||
| D | 52.4%Dukakis4,320 | 46.6%Bush3,839 | 1.0%Larouche83 | 8,242 | ||
| R | 40.3%Mondale3,446 | 58.8%Reagan5,029 | 0.9%Larouche78 | 8,553 | ||
| R | 35.8%Carter3,297 | 55.6%Reagan5,115 | 8.6%Anderson794 | 9,206 | ||
| R | 43.2%Carter3,804 | 54.8%Ford4,826 | 2.0%McCarthy177 | 8,807 | ||
| R | 37.2%McGovern3,366 | 60.2%Nixon5,447 | 2.6%Schmitz235 | 9,048 | ||
| R | 35.7%Humphrey3,168 | 57.8%Nixon5,132 | 6.5%Wallace578 | 8,878 | ||
| D | 58.9%Johnson5,624 | 41.1%Goldwater3,923 | 0.0%Hass3 | 9,550 | ||
| R | 41.7%Kennedy4,612 | 58.3%Nixon6,441 | 0.0%Byrd4 | 11,057 | ||
| R | 40.1%Stevenson4,384 | 59.8%Eisenhower6,529 | 0.1%Andrews13 | 10,926 | ||
| R | 32.7%Stevenson3,730 | 67.2%Eisenhower7,669 | 0.1%Hallinan9 | 11,408 | ||
| R | 48.0%Truman4,857 | 50.9%Dewey5,151 | 1.0%Thurmond103 | 10,111 | ||
| R | 41.9%Roosevelt4,259 | 57.6%Dewey5,855 | 0.5%Thomas49 | 10,163 | ||
| R | 40.0%Roosevelt4,973 | 59.9%Willkie7,443 | 0.1%Thomas18 | 12,434 | ||
| D | 55.0%Roosevelt6,731 | 41.0%Landon5,017 | 4.0%Lemke488 | 12,236 | ||
| D | 66.0%Roosevelt7,347 | 33.5%Hoover3,725 | 0.6%Thomas62 | 11,134 | ||
| R | 38.3%Smith4,231 | 61.3%Hoover6,774 | 0.4%Thomas49 | 11,054 | ||
| O | 15.5%Davis1,556 | 41.5%Coolidge4,168 | 43.0%La Follette4,325 | 10,049 | ||
| R | 20.8%Cox1,808 | 77.5%Harding6,747 | 1.7%Debs151 | 8,706 | ||
| R | 40.9%Wilson2,379 | 57.5%Hughes3,347 | 1.6%Benson91 | 5,817 | ||
| D | 49.8%Wilson2,919 | 21.1%Taft1,239 | 29.1%Roosevelt1,703 | 5,861 | ||
| D | 51.3%Bryan3,026 | 47.0%Taft2,773 | 1.6%Debs96 | 5,895 | ||
| R | 43.0%Parker2,628 | 54.6%Roosevelt3,339 | 2.5%Debs150 | 6,117 | ||
| R | 45.5%Bryan2,884 | 53.1%McKinley3,366 | 1.5%Woolley92 | 6,342 | ||
| R | 46.0%Bryan2,910 | 52.2%McKinley3,302 | 1.9%Palmer119 | 6,331 | ||
| D | 56.9%Cleveland3,337 | 41.6%Harrison2,443 | 1.5%Weaver89 | 5,869 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +15.2% |
| 1896 | −6.2% |
| 1900 | −7.6% |
| 1904 | −11.6% |
| 1908 | +4.3% |
| 1912 | +28.7% |
| 1916 | −16.6% |
| 1920 | −56.7% |
| 1924 | −26.0% |
| 1928 | −23.0% |
| 1932 | +32.5% |
| 1936 | +14.0% |
| 1940 | −19.9% |
| 1944 | −15.7% |
| 1948 | −2.9% |
| 1952 | −34.5% |
| 1956 | −19.6% |
| 1960 | −16.5% |
| 1964 | +17.8% |
| 1968 | −22.1% |
| 1972 | −23.0% |
| 1976 | −11.6% |
| 1980 | −19.7% |
| 1984 | −18.5% |
| 1988 | +5.8% |
| 1992 | +7.6% |
| 1996 | +16.4% |
| 2000 | +2.4% |
| 2004 | +4.6% |
| 2008 | +17.2% |
| 2012 | +7.0% |
| 2016 | −22.6% |
| 2020 | −28.8% |
| 2024 | −34.4% |
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 12,619 | 4,064 | 3,320 | 5,233 | 2 |
| 2010 | 12,367 | 3,814 | 3,412 | 5,138 | 3 |
| 2012 | 12,448 | 3,678 | 3,486 | 5,279 | 5 |
| 2014 | 12,320 | 3,555 | 3,484 | 5,259 | 22 |
| 2016 | 12,193 | 3,646 | 3,678 | 4,833 | 36 |
| 2018 | 12,123 | 3,391 | 3,802 | 4,871 | 59 |
| 2020 | 12,193 | 3,464 | 4,231 | 4,424 | 74 |
| 2022 | 12,210 | 3,130 | 4,645 | 4,349 | 86 |
| 2024 | 12,441 | 2,750 | 5,473 | 4,134 | 84 |
Source: Iowa Secretary of State
Clayton's rugged Driftless Area landscape anchors a rural, largely white agricultural county that delivered a 34.5-point Republican margin in 2024 — a dramatic shift from the competitive results it posted in earlier cycles.
Across the recorded series it reached a Democratic high of 32.5 points in 1932 and a Republican high of 56.7 points in 1920. Between 2020 and 2024 the county moved 5.6 points toward the Republican candidate; the 2024 margin was 34.4 points.
A population of 17,013, a 95% non-Hispanic-white share, and a median household income of $67,242 describe the county. The county's voting pattern over the last decade is most similar to that of Mitchell County and Henderson County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Clayton County, Iowa. Akashic. https://akashic.app/county/19043/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Clayton County, Iowa vote in 2024?
In 2024, Clayton County, Iowa voted Republican by 34.4 points (R+34.4), carried by the Republican candidate. Out of 9,400 votes cast, 3,017 went Democratic and 6,255 went Republican.
When did Clayton County, Iowa last vote Democratic?
The most recent presidential election in which Clayton County, Iowa voted Democratic was 2012.
How many people live in Clayton County, Iowa?
Clayton County, Iowa has a population of 17,013 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Clayton County, Iowa?
Median household income in Clayton County, Iowa is $67,242 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Clayton County, Iowa?
Akashic tracks 38 presidential elections in Clayton County, Iowa from 1876 to 2024. Of those, 13 went Democratic and 20 went Republican.