- Lead
- 2,372
- Total
- 27,389
- vs nation
- D+10.1
Iowa 49th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 5,215
- Total
- 29,141
- vs nation
- D+13.4
- Lead
- 4,963
- Total
- 28,705
- vs nation
- D+15.2
- Lead
- 9,040
- Total
- 30,257
- vs nation
- D+26.0
- Lead
- 8,885
- Total
- 29,071
- vs nation
- D+23.3
- Lead
- 5,387
- Total
- 26,886
- vs nation
- D+22.5
- Lead
- 4,979
- Total
- 22,945
- vs nation
- D+21.2
- Lead
- 5,320
- Total
- 21,825
- vs nation
- D+15.9
Key facts
- 2024 presidential margin
- D+8.7MIT Election Lab
- Population
- 63,4492024 5-year
- Population density
- 1,362 / sq mi2024 5-year · TIGER/Line
- Land area
- 46.6 sq miTIGER/Line
- Median household income
- $62,3112024 5-year
- White (non-Hispanic)
- 71.1%2024 5-year
- Black
- 11.5%2024 5-year
- Hispanic / Latino
- 9.7%2024 5-year
- Peak Democratic margin
- D+55.4 in 1892MIT Election Lab
- Peak Republican margin
- R+35.1 in 1924MIT Election Lab
- Most similar
- State Senate District 31, IA · twin score 91.0
presidential history
Party record book
Iowa 49th State Senate 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
Grover Cleveland1892
77.4%
2,376 votes · D+55.4 · modeled estimate
Runner-up · Grover Cleveland, 1888 · 77.3%
Republican
James A. Garfield1880
54.4%
1,137 votes · R+10.1 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 53.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2012
19,446votes
64.3% of the vote · D+29.9 · modeled estimate
Runner-up · Barack Obama, 2008 · 18,813 votes
Republican
Donald Trump2024
12,233votes
44.7% of the vote · D+8.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 11,601 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
Grover Cleveland1892
+53.8pts D vs U.S.
Place D+55.4 · U.S. D+1.7 · modeled estimate
Runner-up · Michael Dukakis, 1988 · +29.6 pts
Republican
Calvin Coolidge1924
+9.9pts R vs U.S.
Place R+35.1 · U.S. R+25.2 · modeled estimate
Runner-up · Charles E. Hughes, 1916 · +5.6 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 | 56.9%13,911 | 43.1%10,542 | 24,453 |
Its 2024 presidential margin of D+8.7 ranked among Iowa's closest, against D+30.5 in 2008. About 18,600 residents lived here, with White alone at 79.1% in the 2024 ACS 5-year.
Across the recorded series it reached a Democratic high of 55.4 points in 1892 and a Republican high of 35.1 points in 1924. Between 2020 and 2024 the district moved 9.2 points toward the Republican candidate; the 2024 margin was 8.7 points.
A population of 63,449, a 71% non-Hispanic-white share, and a median household income of $62,311 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 31 and State Senate District 39.
The state-senate 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 Senate District. Akashic. https://akashic.app/sld-upper/19049/. Accessed May 20, 2026. License: CC BY 4.0.