- Lead
- 4,838
- Total
- 13,374
- vs nation
- R+34.7
Iowa 6th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 4,293
- Total
- 14,347
- vs nation
- R+34.4
- Lead
- 4,401
- Total
- 14,317
- vs nation
- R+32.8
- Lead
- 1,592
- Total
- 14,249
- vs nation
- R+15.0
- Lead
- 49
- Total
- 14,190
- vs nation
- R+7.6
- Lead
- 1,870
- Total
- 14,364
- vs nation
- R+10.6
- Lead
- 1,100
- Total
- 13,114
- vs nation
- R+8.9
- Lead
- 612
- Total
- 13,225
- vs nation
- R+3.9
Key facts
- 2024 presidential margin
- R+36.2MIT Election Lab
- Population
- 31,8782024 5-year
- Population density
- 40 / sq mi2024 5-year · TIGER/Line
- Land area
- 793 sq miTIGER/Line
- Median household income
- $67,7052024 5-year
- White (non-Hispanic)
- 68.8%2024 5-year
- Black
- 2.0%2024 5-year
- Hispanic / Latino
- 18.9%2024 5-year
- Peak Democratic margin
- D+26.6 in 1936MIT Election Lab
- Peak Republican margin
- R+58.9 in 1920MIT Election Lab
- Most similar
- State House District 12, IA · twin score 93.6
presidential history
Party record book
Iowa 6th 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. Roosevelt1936
62.5%
8,714 votes · D+26.6 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 61.8%
Republican
Warren G. Harding1920
78.4%
7,693 votes · R+58.9 · modeled estimate
Runner-up · Rutherford B. Hayes, 1876 · 76.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1936
8,714votes
62.5% of the vote · D+26.6 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 8,629 votes
Republican
Dwight D. Eisenhower1952
11,308votes
69.7% of the vote · R+40.1 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 9,454 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
Michael Dukakis1988
+16.5pts D vs U.S.
Place D+8.8 · U.S. R+7.7 · modeled estimate
Runner-up · Walter Mondale, 1984 · +11.3 pts
Republican
Theodore Roosevelt1904
+36.7pts R vs U.S.
Place R+56.3 · U.S. R+19.7 · modeled estimate
Runner-up · William McKinley, 1900 · +36.0 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
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.
With a 2024 presidential margin exceeding 36 points, this rural northwest Iowa district sits among the state's most one-sided legislative seats, where Republican candidates routinely face minimal general-election competition.
Across the recorded series it reached a Democratic high of 26.6 points in 1936 and a Republican high of 58.9 points in 1920. Between 2020 and 2024 the district moved 6.3 points toward the Republican candidate; the 2024 margin was 36.2 points.
A population of 31,878, a 69% non-Hispanic-white share, and a median household income of $67,705 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 12 and State House District 21B.
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.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Iowa 6th State House District. Akashic. https://akashic.app/sld-lower/19006/. Accessed May 20, 2026. License: CC BY 4.0.