Indiana 3rd 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
83.5%
24,701 votes · D+67.6 · modeled estimate
Runner-up · Barack Obama, 2008 · 83.2%
Republican
Warren G. Harding1920
51.7%
3,567 votes · R+16.1 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 43.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
50,102votes
83.2% of the vote · D+67.0 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 48,481 votes
Republican
Richard Nixon1972
16,478votes
34.0% of the vote · D+31.7 · modeled estimate
Runner-up · Donald Trump, 2024 · 13,732 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
+70.4pts D vs U.S.
Place D+52.1 · U.S. R+18.2 · modeled estimate
Runner-up · John Kerry, 2004 · +62.3 pts
Republican
William H. Taft1912
−8.6pts R vs U.S.
Place D+28.2 · U.S. D+19.5 · modeled estimate
Runner-up · Warren G. Harding, 1920 · −10.0 pts
current representation
Current officeholders
DMark SpencerState Senate · 3
State legislative officeholder from OpenStates nightly current-legislator data.
The district recorded a Democratic presidential margin of D+40.7 in 2024, compared with D+67.0 in 2008. About 114,000 residents lived here, with White alone at 54.9% in the 2024 ACS 5-year.
Across the recorded series it reached a Democratic high of 67.6 points in 1936 and a Republican high of 16.1 points in 1920. Between 2020 and 2024 the district moved 9.8 points toward the Republican candidate; the 2024 margin was 40.7 points.
A population of 136,386, a 30% non-Hispanic-white share, and a median household income of $51,694 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 1 and State Senate District 16.
Akashic
Political twins — state-senate districts
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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Indiana 3rd State Senate District. Akashic. https://akashic.app/sld-upper/18003/. Accessed May 20, 2026. License: CC BY 4.0.
How did Indiana 3rd State Senate District vote in 2024?
In 2024, Indiana 3rd State Senate District voted Democratic by 40.7 points (D+40.7), carried by the Democratic candidate. Out of 47,525 votes cast, 33,080 went Democratic and 13,732 went Republican.
When did Indiana 3rd State Senate District last vote Republican?
The most recent presidential election in which Indiana 3rd State Senate District voted Republican was 1924.
How many people live in Indiana 3rd State Senate District?
Indiana 3rd State Senate District has a population of 136,386 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Indiana 3rd State Senate District?
Median household income in Indiana 3rd State Senate District is $51,694 — below the national median of $80,734. The Indiana state median is $71,957.
What is the political history of Indiana 3rd State Senate District?
Akashic tracks 38 presidential elections in Indiana 3rd State Senate District from 1876 to 2024. Of those, 36 went Democratic and 2 went Republican.