47501 leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 62% of adults in 47501 typically vote, near the U.S. average of about 62%. Among adults in 47501, ~16% vote Democratic, ~46% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How 47501 compares
Among zip codes within 15 miles, 47501 is the least Republican-leaning.
47501 runs about 29 points more Republican than Indiana as a whole.
Politics vary noticeably by block within 47501. The southwest side is the most Republican-leaning (R+64) and the west side is the least Republican-leaning (R+38), a spread of about 26 points.
Why 47501 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 47501, not a ranked or complete list of what matters most.
47501 votes Republican even though it is densely developed (about 62%, far above the Indiana average of 25%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
High-school completion and voter turnout
Places with low high-school-completion share tend to turn out at a lower rate; 47501, IN sits in the bottom quarter nationally on this measure.
Why turnout in 47501 looks the way it does
Areas with low high-school completion turn out at lower rates. About 82% of adults in 47501 have completed high school, about 8 points below the U.S. average of 90%. 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.