Mills County, Iowa
| Donald Trump ✓Republican | 68.7% | 5,671 |
|---|---|---|
| Kamala HarrisDemocratic | 29.8% | 2,456 |
| Robert F Kennedy Jr.We The People | 0.6% | 51 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | −8.0% |
| 1896 | −4.7% |
| 1900 | −11.9% |
| 1904 | −26.5% |
| 1908 | −12.3% |
| 1912 | +13.8% |
| 1916 | −3.2% |
| 1920 | −39.2% |
| 1924 | −27.4% |
| 1928 | −22.2% |
| 1932 | +22.7% |
| 1936 | +2.6% |
| 1940 | −15.0% |
| 1944 | −21.8% |
| 1948 | −15.0% |
| 1952 | −38.3% |
| 1956 | −30.1% |
| 1960 | −30.7% |
| 1964 | +0.8% |
| 1968 | −36.4% |
| 1972 | −52.4% |
| 1976 | −17.3% |
| 1980 | −45.1% |
| 1984 | −46.7% |
| 1988 | −20.9% |
| 1992 | −14.6% |
| 1996 | −15.4% |
| 2000 | −27.8% |
| 2004 | −32.4% |
| 2008 | −16.6% |
| 2012 | −19.0% |
| 2016 | −38.3% |
| 2020 | −37.2% |
| 2024 | −39.0% |
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 10,861 | 2,251 | 4,946 | 3,657 | 7 |
| 2010 | 10,683 | 2,195 | 4,846 | 3,634 | 8 |
| 2012 | 10,713 | 2,111 | 5,063 | 3,529 | 10 |
| 2014 | 10,746 | 2,099 | 5,132 | 3,490 | 25 |
| 2016 | 11,134 | 2,218 | 5,403 | 3,444 | 69 |
| 2018 | 10,480 | 2,038 | 5,213 | 3,116 | 113 |
| 2020 | 10,995 | 2,195 | 5,799 | 2,872 | 129 |
| 2022 | 11,377 | 2,132 | 6,040 | 3,043 | 162 |
| 2024 | 11,682 | 2,072 | 6,375 | 3,043 | 192 |
Mills County sits along Iowa's western edge, anchored by Glenwood, and has shifted steadily rightward over the past decade — its 2024 presidential margin of R+39 reflects a rural consolidation pattern common across the Loess Hills corridor.
Across the recorded series it reached a Democratic high of 22.7 points in 1932 and a Republican high of 52.4 points in 1972. Between 2020 and 2024 the county moved 1.7 points toward the Republican candidate; the 2024 margin was 39.0 points.
A population of 14,568, a 93% non-Hispanic-white share, and a median household income of $90,753 describe the county. The county's voting pattern over the last decade is most similar to that of Miami County and Otoe County.
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Mills County, Iowa. Akashic. https://akashic.app/county/19129/. Accessed May 20, 2026. License: CC BY 4.0.