- Lead
- 7,781
- Total
- 38,486
- vs nation
- R+18.7
Indiana 15th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 5,844
- Total
- 37,914
- vs nation
- R+19.9
- Lead
- 5,107
- Total
- 31,450
- vs nation
- R+18.3
- Lead
- 1,968
- Total
- 30,085
- vs nation
- R+10.4
- Lead
- 878
- Total
- 30,689
- vs nation
- R+10.1
- Lead
- 4,408
- Total
- 28,871
- vs nation
- R+12.8
- Lead
- 3,148
- Total
- 26,374
- vs nation
- R+12.5
- Lead
- 450
- Total
- 23,899
- vs nation
- R+10.4
Key facts
- 2024 presidential margin
- R+20.2MIT Election Lab
- Population
- 67,9412024 5-year
- Population density
- 1,500 / sq mi2024 5-year · TIGER/Line
- Land area
- 45.3 sq miTIGER/Line
- Median household income
- $104,4102024 5-year
- White (non-Hispanic)
- 77.1%2024 5-year
- Black
- 4.2%2024 5-year
- Hispanic / Latino
- 12.4%2024 5-year
- Peak Republican margin
- R+71.9 in 1920MIT Election Lab
- Most similar
- State House District 19, IN · twin score 94.0
presidential history
Party record book
Indiana 15th 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
Barack Obama2008
48.1%
14,747 votes · R+2.9 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 47.4%
Republican
Warren G. Harding1920
82.3%
6,125 votes · R+71.9 · modeled estimate
Runner-up · James A. Garfield, 1880 · 80.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
15,791votes
41.6% of the vote · R+15.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 15,107 votes
Republican
Richard Nixon1972
26,696votes
73.6% of the vote · R+47.8 · modeled estimate
Runner-up · Donald Trump, 2024 · 22,888 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
Walter Mondale1984
−9.1pts D vs U.S.
Place R+27.3 · U.S. R+18.2 · modeled estimate
Runner-up · Barack Obama, 2008 · −10.1 pts
Republican
Herbert Hoover1932
+50.5pts R vs U.S.
Place R+32.7 · U.S. D+17.8 · modeled estimate
Runner-up · Charles E. Hughes, 1916 · +49.4 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 |
|---|---|---|---|---|
| 2024 | D | 57.3%15,774 | 42.7%11,748 | 27,522 |
Indiana 15th State House District sits in the Upper Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Republican high of 71.9 points in 1920. Between 2020 and 2024 the district moved 4.8 points toward the Republican candidate; the 2024 margin was 20.2 points.
A population of 67,941, a 77% non-Hispanic-white share, and a median household income of $104,410 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 19 and State House District 37.
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 →
Indiana 15th State House District. Akashic. https://akashic.app/sld-lower/18015/. Accessed May 20, 2026. License: CC BY 4.0.