47345 is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 63% of adults in 47345 typically vote, near the U.S. average of about 62%. Among adults in 47345, ~13% vote Democratic, ~50% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How 47345 compares
Among zip codes within 15 miles, 47345 leans more Republican than 15 of 19 neighbors.
47345 runs about 41 points more Republican than Indiana as a whole.
Why 47345 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 47345, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 47345, about 96% of residents are non-Hispanic white, about 24 points above the U.S. average of 72%; about 19% of adults hold a bachelor's degree, about 9 points below the U.S. average of 28%. A high family-household share predicts Republican voting, and about 78% of households in 47345 are family households, above 88% of zip codes.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 47345, IN sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 47345 looks the way it does
Turnout in 47345 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.