- Lead
- 2,714
- Total
- 11,008
- vs nation
- D+26.1
Iowa 33rd State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 4,041
- Total
- 12,128
- vs nation
- D+28.9
- Lead
- 3,748
- Total
- 11,294
- vs nation
- D+31.1
- Lead
- 4,240
- Total
- 11,240
- vs nation
- D+33.9
- Lead
- 3,853
- Total
- 10,615
- vs nation
- D+29.0
- Lead
- 2,855
- Total
- 9,668
- vs nation
- D+32.0
- Lead
- 2,464
- Total
- 8,397
- vs nation
- D+28.8
- Lead
- 2,757
- Total
- 7,735
- vs nation
- D+27.1
Key facts
- 2024 presidential margin
- D+24.7MIT Election Lab
- Population
- 32,1042024 5-year
- Population density
- 4,224 / sq mi2024 5-year · TIGER/Line
- Land area
- 7.6 sq miTIGER/Line
- Median household income
- $61,8842024 5-year
- White (non-Hispanic)
- 51.3%2024 5-year
- Black
- 11.2%2024 5-year
- Hispanic / Latino
- 25.4%2024 5-year
- Peak Democratic margin
- D+53.1 in 1964MIT Election Lab
- Peak Republican margin
- R+48.9 in 1904MIT Election Lab
- Most similar
- State House District 29, IA · twin score 95.8
presidential history
Party record book
Iowa 33rd 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
Lyndon B. Johnson1964
76.5%
4,393 votes · D+53.1 · modeled estimate
Runner-up · Michael Dukakis, 1988 · 70.6%
Republican
Theodore Roosevelt1904
69.2%
516 votes · R+48.9 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 56.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
7,936votes
65.4% of the vote · D+33.3 · modeled estimate
Runner-up · Barack Obama, 2012 · 7,642 votes
Republican
Donald Trump2024
4,035votes
36.7% of the vote · D+24.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 3,895 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
+49.1pts D vs U.S.
Place D+41.3 · U.S. R+7.7 · modeled estimate
Runner-up · Walter Mondale, 1984 · +44.9 pts
Republican
Theodore Roosevelt1904
+29.3pts R vs U.S.
Place R+48.9 · U.S. R+19.7 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · +11.4 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Iowa 33rd State House District sits in the Corn Belt. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 53.1 points in 1964 and a Republican high of 48.9 points in 1904. Between 2020 and 2024 the district moved 8.7 points toward the Republican candidate; the 2024 margin was 24.7 points.
A population of 32,104, a 51% non-Hispanic-white share, and a median household income of $61,884 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 29 and State House District 30.
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 33rd State House District. Akashic. https://akashic.app/sld-lower/19033/. Accessed May 20, 2026. License: CC BY 4.0.