47135 is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 61% of adults in 47135 typically vote, near the U.S. average of about 62%. Among adults in 47135, ~12% vote Democratic, ~49% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How 47135 compares
Among zip codes within 15 miles, 47135 leans more Republican than 12 of 15 neighbors.
47135 runs about 40 points more Republican than Indiana as a whole.
Why 47135 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 47135, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 47135, about 98% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 17% of adults hold a bachelor's degree, about 6 points below the Indiana average of 22%. Car-dependent areas vote Republican, and about 83% of residents in 47135 drive to work alone, above 82% of zip codes.
Population density and Republican lean
Places with low population density tend to lean Republican; 47135, IN sits below the national average on this measure.
Why turnout in 47135 looks the way it does
Turnout in 47135 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.