46031 leans heavily Republican by roughly 50 points: about 25% of voters vote Democratic and 75% Republican.
About 67% of adults in 46031 typically vote, near the U.S. average of about 62%. Among adults in 46031, ~17% vote Democratic, ~50% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 46031 compares
Among zip codes within 15 miles, 46031 leans more Republican than 9 of 13 neighbors.
46031 runs about 31 points more Republican than Indiana as a whole.
Politics vary noticeably by block within 46031. The east side is the most Republican-leaning (R+57) and the north side is the least Republican-leaning (R+46), a spread of about 11 points.
Why 46031 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 46031, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 84% of households in 46031 are family households, about 17 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; 46031, 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 46031 looks the way it does
Homeowners vote more often than renters. About 89% of households in 46031 own their home, about 7 points above the Indiana average of 82%. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.