47831 is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 83% of adults in 47831 typically vote, above the U.S. average of about 62%. Among adults in 47831, ~19% vote Democratic, ~64% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How 47831 compares
Among zip codes within 15 miles, 47831 leans more Republican than 12 of 18 neighbors.
47831 runs about 36 points more Republican than Indiana as a whole.
Why 47831 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 47831, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 97% of residents in 47831 drive to work alone, about 23 points above the U.S. average of 74%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 47831, IN sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 47831 looks the way it does
Homeowners vote more often than renters. About 96% of households in 47831 own their home, about 14 points above the Indiana average of 82%. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
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.