- Lead
- 1,712
- Total
- 14,141
- vs nation
- D+13.6
Iowa 77th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 2,804
- Total
- 14,768
- vs nation
- D+14.5
- Lead
- 2,076
- Total
- 13,655
- vs nation
- D+13.1
- Lead
- 3,323
- Total
- 13,743
- vs nation
- D+20.3
- Lead
- 3,721
- Total
- 13,182
- vs nation
- D+21.0
- Lead
- 2,160
- Total
- 12,760
- vs nation
- D+19.4
- Lead
- 1,696
- Total
- 10,652
- vs nation
- D+15.4
- Lead
- 2,281
- Total
- 9,637
- vs nation
- D+15.1
Key facts
- 2024 presidential margin
- D+12.1MIT Election Lab
- Population
- 31,9632024 5-year
- Population density
- 687 / sq mi2024 5-year · TIGER/Line
- Land area
- 46.5 sq miTIGER/Line
- Median household income
- $66,3092024 5-year
- White (non-Hispanic)
- 73.8%2024 5-year
- Black
- 12.5%2024 5-year
- Hispanic / Latino
- 5.9%2024 5-year
- Peak Democratic margin
- D+35.8 in 1964MIT Election Lab
- Peak Republican margin
- R+42.6 in 1924MIT Election Lab
- Most similar
- State House District 61, IA · twin score 91.5
presidential history
Party record book
Iowa 77th 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
67.8%
4,919 votes · D+35.8 · modeled estimate
Runner-up · Barack Obama, 2008 · 63.4%
Republican
Warren G. Harding1920
69.3%
2,138 votes · R+41.4 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 65.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
8,604votes
58.3% of the vote · D+19.0 · modeled estimate
Runner-up · Barack Obama, 2012 · 8,412 votes
Republican
Donald Trump2024
6,107votes
43.2% of the vote · D+12.1 · modeled estimate
Runner-up · Donald Trump, 2020 · 5,800 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
+27.6pts D vs U.S.
Place D+19.8 · U.S. R+7.7 · modeled estimate
Runner-up · George McGovern, 1972 · +22.3 pts
Republican
Calvin Coolidge1924
+17.4pts R vs U.S.
Place R+42.6 · U.S. R+25.2 · modeled estimate
Runner-up · Alf Landon, 1936 · +15.9 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.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2018 | D | 58.6%8,020 | 41.4%5,661 | 13,681 |
Iowa 77th State House District sits in the Corn Belt. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 35.8 points in 1964 and a Republican high of 42.6 points in 1924. Between 2020 and 2024 the district moved 6.9 points toward the Republican candidate; the 2024 margin was 12.1 points.
A population of 31,963, a 74% non-Hispanic-white share, and a median household income of $66,309 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 61 and State House District 62.
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 77th State House District. Akashic. https://akashic.app/sld-lower/19077/. Accessed May 20, 2026. License: CC BY 4.0.