Iowa 12th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Franklin D. Roosevelt1932
70.8%
13,316 votes · D+41.7 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 60.7%
Republican
Donald Trump2024
72.2%
10,629 votes · R+45.7 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 71.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1932
13,316votes
70.8% of the vote · D+41.7 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 12,154 votes
Republican
Dwight D. Eisenhower1952
13,015votes
65.6% of the vote · R+31.9 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 12,220 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Franklin D. Roosevelt1932
+23.9pts D vs U.S.
Place D+41.7 · U.S. D+17.8 · modeled estimate
Runner-up · Al Smith, 1928 · +22.9 pts
Republican
Donald Trump2020
+45.6pts R vs U.S.
Place R+41.2 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2024 · +44.3 pts
current representation
Current officeholders
RSteven HoltState House · 12
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 3 House
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2024
R
25.5%3,504
74.5%10,224
13,728
2020
R
32.8%4,852
67.2%9,956
14,808
2018
R
40.1%4,644
59.9%6,942
11,586
With a 2024 presidential margin of R+45.7, this rural Iowa district sits at the far end of the state's partisan range, reflecting the broader realignment of small-town and agricultural communities that has reshaped Iowa's political map over the past decade.
Across the recorded series it reached a Democratic high of 41.7 points in 1932 and a Republican high of 45.7 points in 2024. Between 2020 and 2024 the district moved 4.6 points toward the Republican candidate; the 2024 margin was 45.7 points.
A population of 31,818, a 78% non-Hispanic-white share, and a median household income of $66,695 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 5 and State House District 6.
Akashic
Political twins — state-house districts
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 → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Iowa 12th State House District. Akashic. https://akashic.app/sld-lower/19012/. Accessed May 20, 2026. License: CC BY 4.0.
How did Iowa 12th State House District vote in 2024?
In 2024, Iowa 12th State House District voted Republican by 45.7 points (R+45.7), carried by the Republican candidate. Out of 14,731 votes cast, 3,892 went Democratic and 10,629 went Republican.
When did Iowa 12th State House District last vote Democratic?
The most recent presidential election in which Iowa 12th State House District voted Democratic was 1988.
How many people live in Iowa 12th State House District?
Iowa 12th State House District has a population of 31,818 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Iowa 12th State House District?
Median household income in Iowa 12th State House District is $66,695 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Iowa 12th State House District?
Akashic tracks 38 presidential elections in Iowa 12th State House District from 1876 to 2024. Of those, 11 went Democratic and 27 went Republican.