47320 leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 68% of adults in 47320 typically vote, above the U.S. average of about 62%. Among adults in 47320, ~18% vote Democratic, ~50% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 47320 compares
Among zip codes within 15 miles, 47320 leans more Republican than 6 of 15 neighbors.
47320 runs about 28 points more Republican than Indiana as a whole.
Politics vary noticeably by block within 47320. The southeast side is the most Republican-leaning (R+56) and the north side is the least Republican-leaning (R+41), a spread of about 14 points.
Why 47320 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 47320, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 47320, about 97% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 18% of adults hold a bachelor's degree, about 10 points below the U.S. average of 28%. Car-dependent areas vote Republican, and about 83% of residents in 47320 drive to work alone, above 81% of zip codes. A high family-household share predicts Republican voting, and about 74% of households in 47320 are family households, above 78% of zip codes.
Never-married share and voter turnout
Places with a low never-married share tend to turn out at a higher rate; 47320, IN sits in the bottom quarter nationally on this measure.
Why turnout in 47320 looks the way it does
Turnout in 47320 sits close to the national pattern. 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.