Iowa 18th State House District
Akashic| Donald Trump ✓Republican | 69.3% | 11,496 |
|---|---|---|
| Kamala HarrisDemocratic | 29.1% | 4,818 |
| Robert F. Kennedy Jr.We The People | 1.6% | 271 |
County-level results (3 counties) — table
| County | Winner | Margin |
|---|---|---|
| Cass County, IA | Republican | R+40.6 |
| Montgomery County, IA | Republican | R+39.0 |
| Page County, IA | Republican | R+42.2 |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 29.1%Harris4,818 | 69.3%Trump11,496 | 1.6%Kennedy271 | 16,585 | ||
| R | 29.6%Biden5,024 | 68.9%Trump11,701 | 1.6%Jorgensen265 | 16,990 | ||
| R | 26.6%Clinton4,320 | 67.9%Trump11,026 | 5.5%Johnson891 | 16,237 | ||
| R | 38.9%Obama6,446 | 61.1%Romney10,146 | 0.0% | 16,592 | ||
| R | 42.1%Obama7,211 | 54.7%McCain9,372 | 3.2%Nader553 | 17,136 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −12.6% |
| 2012 | −22.3% |
| 2016 | −41.3% |
| 2020 | −39.3% |
| 2024 | −40.3% |
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of R+40.3, this rural Iowa district ranks among the state's most consistently one-sided, leaving little competitive ground for statewide or legislative challengers.
Across the recorded series it reached a Republican high of 41.3 points in 2016. Between 2020 and 2024 the district moved 1.0 points toward the Republican candidate; the 2024 margin was 40.3 points.
A population of 31,759, a 94% non-Hispanic-white share, and a median household income of $63,547 describe the district. The district's voting pattern over the last decade is most similar to that of Delegate District 67 and State House District 48.
The state-house 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 18th State House District. Akashic. https://akashic.app/sld-lower/19018/. Accessed May 20, 2026. License: CC BY 4.0.