46635 leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 69% of adults in 46635 typically vote, above the U.S. average of about 62%. Among adults in 46635, ~39% vote Democratic, ~30% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How 46635 compares
Among zip codes within 15 miles, 46635 leans more Democratic than 14 of 22 neighbors.
46635 runs about 32 points more Democratic than Indiana as a whole. Indiana leans Republican overall, while 46635 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 46635. The west side is the most Democratic-leaning (D+21) and the northwest side is the least Democratic-leaning (D+9), a spread of about 13 points.
Why 46635 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 46635, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 96% of residents in 46635 live in densely developed areas, about 59 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 46635 sits in the top quarter (about 42%, above 83% of zip codes). 46635 runs against the grain of Indiana, a Democratic-leaning pocket in a Republican-leaning state.
Developed land and Democratic lean
Places with a heavily developed built environment tend to lean Democratic; 46635, IN sits in the top tenth nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 46635 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 46635 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 64%, above 59% of zip codes. 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.