Adams County, Iowa
| Donald Trump ✓Republican | 71.1% | 1,517 |
|---|---|---|
| Kamala HarrisDemocratic | 27.0% | 576 |
| Robert F Kennedy Jr.We The People | 1.3% | 28 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | −13.2% |
| 1896 | −1.0% |
| 1900 | −13.1% |
| 1904 | −25.4% |
| 1908 | −9.0% |
| 1912 | +10.9% |
| 1916 | −1.3% |
| 1920 | −25.8% |
| 1924 | −35.2% |
| 1928 | −33.0% |
| 1932 | +7.7% |
| 1936 | −13.4% |
| 1940 | −20.7% |
| 1944 | −15.2% |
| 1948 | −8.1% |
| 1952 | −38.5% |
| 1956 | −12.2% |
| 1960 | −14.2% |
| 1964 | +19.0% |
| 1968 | −28.0% |
| 1972 | −21.4% |
| 1976 | +4.1% |
| 1980 | −28.1% |
| 1984 | −16.4% |
| 1988 | +8.5% |
| 1992 | +6.6% |
| 1996 | +6.4% |
| 2000 | −12.7% |
| 2004 | −14.6% |
| 2008 | +3.3% |
| 2012 | −3.7% |
| 2016 | −38.9% |
| 2020 | −43.5% |
| 2024 | −44.1% |
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 3,306 | 932 | 1,026 | 1,346 | 2 |
| 2010 | 3,279 | 857 | 1,061 | 1,360 | 1 |
| 2012 | 3,087 | 745 | 1,002 | 1,339 | 1 |
| 2014 | 3,046 | 671 | 1,022 | 1,349 | 4 |
| 2016 | 2,937 | 627 | 1,020 | 1,284 | 6 |
| 2018 | 2,912 | 616 | 1,052 | 1,236 | 8 |
| 2020 | 2,879 | 591 | 1,187 | 1,086 | 15 |
| 2022 | 2,826 | 523 | 1,224 | 1,072 | 7 |
| 2024 | 2,852 | 467 | 1,286 | 1,089 | 10 |
Adams County's population has contracted for decades, leaving a rural electorate that has shifted decisively toward Republican presidential candidates, posting a 44-point margin in 2024 — among the widest in the state.
Across the recorded series it reached a Democratic high of 19.0 points in 1964 and a Republican high of 44.1 points in 2024. Between 2020 and 2024 the county moved 0.6 points toward the Republican candidate; the 2024 margin was 44.1 points.
A population of 3,622, a 95% non-Hispanic-white share, and a median household income of $71,875 describe the county. The county's voting pattern over the last decade is most similar to that of Crawford County and Murray County.
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Adams County, Iowa. Akashic. https://akashic.app/county/19003/. Accessed May 20, 2026. License: CC BY 4.0.