Clarke County, Iowa
| Donald Trump ✓Republican | 70.1% | 3,140 |
|---|---|---|
| Kamala HarrisDemocratic | 28.2% | 1,265 |
| Robert F Kennedy Jr.We The People | 0.9% | 40 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | −18.4% |
| 1896 | −4.0% |
| 1900 | −15.1% |
| 1904 | −32.4% |
| 1908 | −17.5% |
| 1912 | +1.1% |
| 1916 | −12.1% |
| 1920 | −42.5% |
| 1924 | −37.2% |
| 1928 | −25.3% |
| 1932 | +18.2% |
| 1936 | +0.8% |
| 1940 | −8.1% |
| 1944 | −14.3% |
| 1948 | −2.1% |
| 1952 | −31.9% |
| 1956 | −12.1% |
| 1960 | −15.9% |
| 1964 | +26.4% |
| 1968 | −10.1% |
| 1972 | −16.0% |
| 1976 | +14.4% |
| 1980 | −18.2% |
| 1984 | −5.4% |
| 1988 | +16.0% |
| 1992 | +11.8% |
| 1996 | +16.6% |
| 2000 | +2.3% |
| 2004 | +2.7% |
| 2008 | +2.3% |
| 2012 | +1.5% |
| 2016 | −27.7% |
| 2020 | −35.9% |
| 2024 | −41.9% |
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 6,265 | 2,036 | 1,701 | 2,526 | 2 |
| 2010 | 6,281 | 1,831 | 1,845 | 2,601 | 4 |
| 2012 | 6,367 | 1,811 | 1,953 | 2,599 | 4 |
| 2014 | 6,183 | 1,686 | 1,927 | 2,560 | 10 |
| 2016 | 6,113 | 1,663 | 1,976 | 2,452 | 22 |
| 2018 | 6,007 | 1,533 | 2,071 | 2,371 | 32 |
| 2020 | 6,241 | 1,581 | 2,455 | 2,148 | 57 |
| 2022 | 6,178 | 1,470 | 2,513 | 2,147 | 48 |
| 2024 | 6,236 | 1,309 | 2,742 | 2,114 | 71 |
Clarke County's small-town and agricultural character has pushed its presidential margins steadily rightward over the past decade, hitting R+41.9 in 2024 — a spread that reflects broader rural Iowa's sharp partisan realignment.
Across the recorded series it reached a Democratic high of 26.4 points in 1964 and a Republican high of 42.5 points in 1920. Between 2020 and 2024 the county moved 5.9 points toward the Republican candidate; the 2024 margin was 41.9 points.
A population of 9,662, a 78% non-Hispanic-white share, and a median household income of $71,641 describe the county. The county's voting pattern over the last decade is most similar to that of Greene County and Benton County.
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Clarke County, Iowa. Akashic. https://akashic.app/county/19039/. Accessed May 20, 2026. License: CC BY 4.0.