47521 is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 74% of adults in 47521 typically vote, above the U.S. average of about 62%. Among adults in 47521, ~16% vote Democratic, ~58% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How 47521 compares
Among zip codes within 15 miles, 47521 leans more Republican than 9 of 11 neighbors.
47521 runs about 38 points more Republican than Indiana as a whole.
Why 47521 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 47521, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 88% of residents in 47521 drive to work alone, about 15 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 76% of households in 47521 are family households, above 84% of zip codes.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 47521, IN sits in the top tenth nationally on this measure.
Why turnout in 47521 looks the way it does
Homeowners vote more often than renters. About 99% of households in 47521 own their home, about 17 points above the Indiana average of 82%. High high-school completion lines up with higher turnout, and about 97% of adults in 47521 have completed high school, above 88% 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.