Iowa 12th State Senate District
Akashic| Donald Trump ✓Republican | 71.1% | 24,386 |
|---|---|---|
| Kamala HarrisDemocratic | 27.2% | 9,330 |
| Robert F. Kennedy Jr.We The People | 1.7% | 580 |
County-level results (9 counties) — table
| County | Winner | Margin |
|---|---|---|
| Adair County, IA | Republican | R+44.9 |
| Appanoose County, IA | Republican | R+46.5 |
| Clarke County, IA | Republican | R+41.9 |
| Dallas County, IA | Republican | R+4.7 |
| Decatur County, IA | Republican | R+46.9 |
| Lucas County, IA | Republican | R+48.0 |
| Madison County, IA | Republican | R+38.5 |
| Union County, IA | Republican | R+36.1 |
| Wayne County, IA | Republican | R+57.1 |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 27.2%Harris9,330 | 71.1%Trump24,386 | 1.7%Kennedy580 | 34,296 | ||
| R | 29.9%Biden10,257 | 68.5%Trump23,493 | 1.6%Jorgensen537 | 34,287 | ||
| R | 30.2%Clinton9,466 | 63.6%Trump19,893 | 6.2%Johnson1,943 | 31,302 | ||
| R | 46.2%Obama14,365 | 53.8%Romney16,720 | 0.0% | 31,085 | ||
| R | 45.5%Obama14,882 | 50.6%McCain16,560 | 3.9%Nader1,262 | 32,704 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −5.1% |
| 2012 | −7.6% |
| 2016 | −33.3% |
| 2020 | −38.6% |
| 2024 | −43.9% |
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of R+45.7, this rural Iowa district ranks among the state's most lopsided, reflecting the deep consolidation of non-urban sentiment that has reshaped Iowa's political geography over the past decade.
Across the recorded series it reached a Republican high of 43.9 points in 2024. Between 2020 and 2024 the district moved 5.3 points toward the Republican candidate; the 2024 margin was 43.9 points.
A population of 63,604, a 93% non-Hispanic-white share, and a median household income of $72,955 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 19 and State Senate District 13.
The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
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 →
Iowa 12th State Senate District. Akashic. https://akashic.app/sld-upper/19012/. Accessed May 20, 2026. License: CC BY 4.0.