- Lead
- 13,016
- Total
- 49,511
- vs nation
- R+24.8
Indiana 23rd State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 11,888
- Total
- 51,917
- vs nation
- R+27.4
- Lead
- 11,366
- Total
- 47,694
- vs nation
- R+25.9
- Lead
- 4,737
- Total
- 44,475
- vs nation
- R+14.5
- Lead
- 4,184
- Total
- 50,293
- vs nation
- D+1.0
- Lead
- 8,009
- Total
- 44,261
- vs nation
- R+15.6
- Lead
- 4,595
- Total
- 40,101
- vs nation
- R+12.0
- Lead
- 2,014
- Total
- 40,705
- vs nation
- R+13.5
Key facts
- 2024 presidential margin
- R+26.3MIT Election Lab
- Population
- 133,7302024 5-year
- Population density
- 71 / sq mi2024 5-year · TIGER/Line
- Land area
- 1,872 sq miTIGER/Line
- Median household income
- $60,0192024 5-year
- White (non-Hispanic)
- 78.6%2024 5-year
- Black
- 2.3%2024 5-year
- Hispanic / Latino
- 4.5%2024 5-year
- Peak Democratic margin
- D+14.3 in 1932MIT Election Lab
- Peak Republican margin
- R+28.9 in 1972MIT Election Lab
- Most similar
- State Senate District 22, IN · twin score 87.5
presidential history
Party record book
Indiana 23rd 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
Lyndon B. Johnson1964
56.6%
26,429 votes · D+13.5 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 56.2%
Republican
Richard Nixon1972
64.2%
28,691 votes · R+28.9 · modeled estimate
Runner-up · Donald Trump, 2024 · 62.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
26,821votes
53.3% of the vote · D+8.3 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 26,429 votes
Republican
Donald Trump2020
31,331votes
60.3% of the vote · R+22.9 · modeled estimate
Runner-up · Donald Trump, 2024 · 30,755 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
+8.0pts D vs U.S.
Place R+18.2 · U.S. R+26.2 · modeled estimate
Runner-up · John W. Davis, 1924 · +7.1 pts
Republican
Donald Trump2020
+27.4pts R vs U.S.
Place R+22.9 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2016 · +25.9 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 |
|---|---|---|---|---|
| 2020 | R | 35.3%19,368 | 64.7%35,456 | 54,824 |
Indiana 23rd State Senate District sits in the Upper Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 14.3 points in 1932 and a Republican high of 28.9 points in 1972. Between 2020 and 2024 the district moved 3.4 points toward the Republican candidate; the 2024 margin was 26.3 points.
A population of 133,730, a 79% non-Hispanic-white share, and a median household income of $60,019 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 22 and State Senate District 26.
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 23rd State Senate District. Akashic. https://akashic.app/sld-upper/18023/. Accessed May 20, 2026. License: CC BY 4.0.