Jackson County, Iowa
| Donald Trump ✓Republican | 65.5% | 7,074 |
|---|---|---|
| Kamala HarrisDemocratic | 33.0% | 3,567 |
| Robert F Kennedy Jr.We The People | 0.9% | 94 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | +20.4% |
| 1896 | −6.1% |
| 1900 | −1.9% |
| 1904 | −7.5% |
| 1908 | +0.1% |
| 1912 | +22.6% |
| 1916 | −7.2% |
| 1920 | −40.1% |
| 1924 | −22.2% |
| 1928 | −11.9% |
| 1932 | +25.9% |
| 1936 | +14.8% |
| 1940 | −12.4% |
| 1944 | −10.2% |
| 1948 | −4.8% |
| 1952 | −30.6% |
| 1956 | −26.9% |
| 1960 | −7.8% |
| 1964 | +25.2% |
| 1968 | −13.1% |
| 1972 | −14.2% |
| 1976 | +2.8% |
| 1980 | −11.0% |
| 1984 | −4.4% |
| 1988 | +19.8% |
| 1992 | +18.8% |
| 1996 | +21.1% |
| 2000 | +13.0% |
| 2004 | +14.1% |
| 2008 | +24.4% |
| 2012 | +16.9% |
| 2016 | −18.9% |
| 2020 | −26.1% |
| 2024 | −32.5% |
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 14,952 | 6,644 | 2,615 | 5,685 | 8 |
| 2010 | 15,234 | 6,707 | 2,700 | 5,816 | 11 |
| 2012 | 15,352 | 6,213 | 2,854 | 6,269 | 16 |
| 2014 | 14,979 | 5,725 | 2,986 | 6,250 | 18 |
| 2016 | 15,007 | 5,400 | 3,372 | 6,199 | 36 |
| 2018 | 14,835 | 5,077 | 3,262 | 6,454 | 42 |
| 2020 | 14,927 | 5,322 | 4,273 | 5,277 | 55 |
| 2022 | 14,739 | 4,692 | 4,609 | 5,380 | 58 |
| 2024 | 14,735 | 3,945 | 5,346 | 5,369 | 75 |
Jackson County's working-class river towns and agricultural hinterland have tracked a steady rightward shift over 15 years, with the 2024 presidential margin reaching R+32.5 — roughly double what it recorded in the early Obama era.
Across the recorded series it reached a Democratic high of 25.9 points in 1932 and a Republican high of 40.1 points in 1920. Between 2020 and 2024 the county moved 6.3 points toward the Republican candidate; the 2024 margin was 32.5 points.
A population of 19,390, a 94% non-Hispanic-white share, and a median household income of $74,186 describe the county. The county's voting pattern over the last decade is most similar to that of Floyd County and Worth County.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Jackson County, Iowa. Akashic. https://akashic.app/county/19097/. Accessed May 20, 2026. License: CC BY 4.0.