- Lead
- 15,500
- Total
- 55,281
- vs nation
- R+26.6
Indiana 38th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 14,543
- Total
- 58,165
- vs nation
- R+29.5
- Lead
- 13,315
- Total
- 53,671
- vs nation
- R+26.9
- Lead
- 3,709
- Total
- 53,081
- vs nation
- R+10.8
- Lead
- 5,519
- Total
- 57,563
- vs nation
- D+2.3
- Lead
- 7,021
- Total
- 52,755
- vs nation
- R+10.9
- Lead
- 3,385
- Total
- 48,420
- vs nation
- R+7.5
- Lead
- 1,133
- Total
- 50,679
- vs nation
- R+6.3
Key facts
- 2024 presidential margin
- R+28.0MIT Election Lab
- Population
- 137,7342024 5-year
- Population density
- 164 / sq mi2024 5-year · TIGER/Line
- Land area
- 840 sq miTIGER/Line
- Median household income
- $55,7762024 5-year
- White (non-Hispanic)
- 85.6%2024 5-year
- Black
- 5.3%2024 5-year
- Hispanic / Latino
- 2.7%2024 5-year
- Peak Democratic margin
- D+27.3 in 1936MIT Election Lab
- Peak Republican margin
- R+28.0 in 2024MIT Election Lab
- Most similar
- State Senate District 26, IN · twin score 94.6
presidential history
Party record book
Indiana 38th 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
63.2%
43,820 votes · D+27.3 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 58.4%
Republican
Donald Trump2024
63.0%
34,848 votes · R+28.0 · modeled estimate
Runner-up · Richard Nixon, 1972 · 61.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1936
43,820votes
63.2% of the vote · D+27.3 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1940 · 38,708 votes
Republican
Richard Nixon1972
38,276votes
61.5% of the vote · R+23.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 35,781 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
+20.0pts D vs U.S.
Place R+6.2 · U.S. R+26.2 · modeled estimate
Runner-up · William J. Bryan, 1908 · +13.5 pts
Republican
Donald Trump2020
+29.5pts R vs U.S.
Place R+25.0 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2016 · +26.9 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 |
|---|---|---|---|---|
| 2024 | R | 34.8%18,153 | 65.2%34,037 | 52,190 |
| 2020 | R | 35.3%18,684 | 64.7%34,292 | 52,976 |
Indiana 38th State Senate District sits in the Upper Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 27.3 points in 1936 and a Republican high of 28.0 points in 2024. Between 2020 and 2024 the district moved 3.0 points toward the Republican candidate; the 2024 margin was 28.0 points.
A population of 137,734, a 86% non-Hispanic-white share, and a median household income of $55,776 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 26 and State Senate District 25.
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 38th State Senate District. Akashic. https://akashic.app/sld-upper/18038/. Accessed May 20, 2026. License: CC BY 4.0.