46239 is a true toss-up. About 51% of voters here vote Democratic and 49% Republican.
About 72% of adults in 46239 typically vote, above the U.S. average of about 62%. Among adults in 46239, ~37% vote Democratic, ~35% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How 46239 compares
Among zip codes within 15 miles, 46239 sits roughly in the middle of the political spectrum, with 17 neighbors leaning further in the place's direction and 21 leaning the other way.
46239 runs about 21 points more Democratic than Indiana as a whole. Indiana leans Republican overall, while 46239 sits closer to the political middle.
Politics vary noticeably by block within 46239. The north side runs the most Democratic (D+31) and the southeast side runs the most Republican (R+26), a spread of about 57 points.
Why 46239 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 46239, not a ranked or complete list of what matters most.
46239 votes against the grain of Indiana. Indiana leans Republican overall, while 46239 runs about 21 points more Democratic.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 46239, IN sits in the top quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 46239 looks the way it does
Turnout in 46239 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.