Tecumseh leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 80% of adults in Tecumseh typically vote, above the U.S. average of about 62%. Among adults in Tecumseh, ~23% vote Democratic, ~57% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Tecumseh compares
Among cities within 25 miles, Tecumseh leans more Republican than 10 of 88 neighbors.
Tecumseh runs about 22 points more Republican than Indiana as a whole.
Why Tecumseh leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Tecumseh, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 77% of households in Tecumseh are family households, about 10 points above the U.S. average of 67%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Tecumseh, IN sits above the national average on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Tecumseh looks the way it does
Homeowners vote more often than renters. About 93% of households in Tecumseh own their home, about 11 points above the Indiana average of 82%. High high-school completion lines up with higher turnout, and about 96% of adults in Tecumseh have completed high school, above 82% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Spelterville, IN R+44
- North Terre Haute, IN R+28
- Universal, IN R+51
- Sandcut, IN R+39
- West Terre Haute, IN R+40
- Rosedale, IN R+54
- Libertyville, IN R+48
- Clinton, IN R+42
Cities with Similar Populations
- Powys, PA R+59
- Delphos, IA R+54
- Mc Caulley, TX R+74
- Eagan, TN R+74
- Hiattville, KS R+68
- Libertytown, MD R+41
- Summitville, CO R+20
- Wiseman, AR R+66
- Torpedo, PA R+53
- Friendship, IN R+69
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Indiana Secretary of State, Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.