- Lead
- 3,019
- Total
- 12,323
- vs nation
- D+26.0
Iowa 49th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 4,767
- Total
- 13,149
- vs nation
- D+31.8
- Lead
- 3,830
- Total
- 15,805
- vs nation
- D+22.1
- Lead
- 3,960
- Total
- 14,606
- vs nation
- D+23.3
- Lead
- 4,273
- Total
- 14,512
- vs nation
- D+22.2
- Lead
- 2,592
- Total
- 13,591
- vs nation
- D+21.5
- Lead
- 1,827
- Total
- 10,807
- vs nation
- D+16.4
- Lead
- 2,697
- Total
- 10,186
- vs nation
- D+18.0
Key facts
- 2024 presidential margin
- D+24.5MIT Election Lab
- Population
- 31,9612024 5-year
- Population density
- 736 / sq mi2024 5-year · TIGER/Line
- Land area
- 43.4 sq miTIGER/Line
- Median household income
- $56,8892024 5-year
- White (non-Hispanic)
- 78.3%2024 5-year
- Black
- 4.0%2024 5-year
- Hispanic / Latino
- 6.8%2024 5-year
- Peak Democratic margin
- D+36.3 in 2020MIT Election Lab
- Peak Republican margin
- R+52.8 in 1920MIT Election Lab
- Most similar
- State House District 45, MO · twin score 89.7
presidential history
Party record book
Iowa 49th 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
Joe Biden2020
66.6%
8,757 votes · D+36.3 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 66.2%
Republican
Warren G. Harding1920
75.6%
2,288 votes · R+52.8 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · 71.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
9,200votes
63.4% of the vote · D+29.4 · modeled estimate
Runner-up · Barack Obama, 2012 · 9,052 votes
Republican
George W. Bush2004
5,412votes
39.8% of the vote · D+19.1 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 5,123 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
+37.1pts D vs U.S.
Place D+29.4 · U.S. R+7.7 · modeled estimate
Runner-up · Joe Biden, 2020 · +31.8 pts
Republican
Theodore Roosevelt1904
+31.0pts R vs U.S.
Place R+50.7 · U.S. R+19.7 · modeled estimate
Runner-up · Warren G. Harding, 1920 · +26.6 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 | 67.2%8,770 | 32.8%4,286 | 13,056 |
Its Democratic presidential margin was D+24.5 in 2024 and D+29.4 in 2008. In the 2024 ACS 5-year, 54.8% of adults held a bachelor's degree or higher.
Across the recorded series it reached a Democratic high of 36.3 points in 2020 and a Republican high of 52.8 points in 1920. Between 2020 and 2024 the district moved 11.8 points toward the Republican candidate; the 2024 margin was 24.5 points.
A population of 31,961, a 78% non-Hispanic-white share, and a median household income of $56,889 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 45 and State House District 50.
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 49th State House District. Akashic. https://akashic.app/sld-lower/19049/. Accessed May 20, 2026. License: CC BY 4.0.