46166 is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 65% of adults in 46166 typically vote, near the U.S. average of about 62%. Among adults in 46166, ~12% vote Democratic, ~53% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How 46166 compares
Among zip codes within 15 miles, 46166 is the most Republican-leaning.
46166 runs about 46 points more Republican than Indiana as a whole.
Why 46166 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 46166, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 46166, about 97% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 10% of adults hold a bachelor's degree, about 13 points below the Indiana average of 22%. A high family-household share predicts Republican voting, and about 74% of households in 46166 are family households, above 76% of zip codes.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 46166, IN sits in the top quarter nationally on this measure.
Why turnout in 46166 looks the way it does
Homeowners vote more often than renters. About 89% of households in 46166 own their home, about 8 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.