Trinity, IN Political Map | Democrat & Republican Areas in Trinity

Trinity is a Republican stronghold. About 13% of voters here vote Democratic and 87% Republican.

 
Trinity, IN block-group political-lean map
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About 50% of adults in Trinity typically vote, below the U.S. average of about 62%. Among adults in Trinity, ~6% vote Democratic, ~44% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.

Trinity, IN block-group voter-turnout map
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How Trinity compares

Among cities within 25 miles, Trinity leans more Republican than 72 of 90 neighbors.

Trinity runs about 55 points more Republican than Indiana as a whole.

Why Trinity 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 Trinity, not a ranked or complete list of what matters most.

Areas with a high white share and below-average college attainment vote Republican. In Trinity, about 98% of residents are non-Hispanic white, about 26 points above the U.S. average of 72%; about 13% of adults hold a bachelor's degree, about 9 points below the Indiana average of 22%. A high family-household share predicts Republican voting, and about 88% of households in Trinity are family households, above 98% of cities.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; Trinity, IN sits in the bottom quarter nationally 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 Trinity looks the way it does

Areas with low high-school completion turn out at lower rates. About 73% of adults in Trinity have completed high school, about 17 points below the U.S. average of 90%. Crowded housing lines up with lower turnout, and about 4% of homes in Trinity have more than one occupant per room, above 83% of cities. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

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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.