46390 leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 79% of adults in 46390 typically vote, above the U.S. average of about 62%. Among adults in 46390, ~23% vote Democratic, ~56% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How 46390 compares
Among zip codes within 15 miles, 46390 leans more Republican than 6 of 11 neighbors.
46390 runs about 23 points more Republican than Indiana as a whole.
Politics vary noticeably by block within 46390. The northwest side is the most Republican-leaning (R+46) and the west side is the least Republican-leaning (R+34), a spread of about 12 points.
Why 46390 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 46390, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 84% of residents in 46390 drive to work alone, about 10 points above the U.S. average of 74%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 46390, 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 46390 looks the way it does
Areas with high high-school completion turn out at higher rates. About 98% of adults in 46390 have completed high school, about 8 points above the Indiana average of 90%. Homeowners vote more often than renters, and about 88% of households in 46390 own their home, above 82% of zip codes. 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.