46543 is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 54% of adults in 46543 typically vote, below the U.S. average of about 62%. Among adults in 46543, ~9% vote Democratic, ~45% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How 46543 compares
Among zip codes within 15 miles, 46543 leans more Republican than 12 of 13 neighbors.
46543 runs about 49 points more Republican than Indiana as a whole.
Politics vary noticeably by block within 46543. The east side is the most Republican-leaning (R+73) and the north side is the least Republican-leaning (R+63), a spread of about 11 points.
Why 46543 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 46543, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 9% of adults in 46543 hold a bachelor's degree, about 13 points below the Indiana average of 22%. A high family-household share predicts Republican voting, and about 88% of households in 46543 are family households, in the top fraction of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 46543, 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 46543 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 46543 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Crowded housing lines up with lower turnout, and about 7% of homes in 46543 have more than one occupant per room, above 92% of zip codes. Low high-school completion lines up with lower turnout, and about 57% of adults in 46543 have completed high school, in the bottom fraction 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.