- Lead
- 16,570
- Total
- 58,572
- vs nation
- R+26.8
Indiana 25th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 13,200
- Total
- 54,569
- vs nation
- R+28.6
- Lead
- 15,118
- Total
- 56,841
- vs nation
- R+28.7
- Lead
- 3,820
- Total
- 54,834
- vs nation
- R+10.8
- Lead
- 2,566
- Total
- 59,552
- vs nation
- R+3.0
- Lead
- 12,000
- Total
- 56,769
- vs nation
- R+18.7
- Lead
- 5,596
- Total
- 53,555
- vs nation
- R+11.0
- Lead
- 164
- Total
- 54,898
- vs nation
- R+8.8
Key facts
- 2024 presidential margin
- R+28.3MIT Election Lab
- Population
- 135,1972024 5-year
- Population density
- 254 / sq mi2024 5-year · TIGER/Line
- Land area
- 533 sq miTIGER/Line
- Median household income
- $64,1292024 5-year
- White (non-Hispanic)
- 82.6%2024 5-year
- Black
- 7.5%2024 5-year
- Hispanic / Latino
- 4.7%2024 5-year
- Peak Democratic margin
- D+30.9 in 1912MIT Election Lab
- Peak Republican margin
- R+30.6 in 1972MIT Election Lab
- Most similar
- State Senate District 38, IN · twin score 94.3
presidential history
Party record book
Indiana 25th 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
Franklin D. Roosevelt1936
61.3%
27,368 votes · D+23.7 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 57.5%
Republican
Richard Nixon1972
65.1%
39,452 votes · R+30.6 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 64.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
33,359votes
57.5% of the vote · D+15.4 · modeled estimate
Runner-up · Barack Obama, 2008 · 30,613 votes
Republican
Richard Nixon1972
39,452votes
65.1% of the vote · R+30.6 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 37,147 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
James M. Cox1920
+18.2pts D vs U.S.
Place R+8.0 · U.S. R+26.2 · modeled estimate
Runner-up · William J. Bryan, 1908 · +13.9 pts
Republican
Donald Trump2016
+28.7pts R vs U.S.
Place R+26.6 · U.S. D+2.1 · modeled estimate
Runner-up · Donald Trump, 2020 · +28.6 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 |
|---|---|---|---|---|
| 2024 | R | 37.3%19,947 | 62.7%33,499 | 53,446 |
| 2020 | R | 41.2%19,594 | 58.8%27,939 | 47,533 |
Indiana 25th State Senate District sits in the Upper Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 30.9 points in 1912 and a Republican high of 30.6 points in 1972. Between 2020 and 2024 the district moved 4.1 points toward the Republican candidate; the 2024 margin was 28.3 points.
A population of 135,197, a 83% non-Hispanic-white share, and a median household income of $64,129 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 38 and State Senate District 7.
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 →
Indiana 25th State Senate District. Akashic. https://akashic.app/sld-upper/18025/. Accessed May 20, 2026. License: CC BY 4.0.