46628 leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.
About 60% of adults in 46628 typically vote, near the U.S. average of about 62%. Among adults in 46628, ~39% vote Democratic, ~22% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How 46628 compares
Among zip codes within 15 miles, 46628 leans more Democratic than 18 of 23 neighbors.
46628 runs about 47 points more Democratic than Indiana as a whole. Indiana leans Republican overall, while 46628 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 46628. The south side runs the most Democratic (D+67) and the northwest side runs the most Republican (R+7), a spread of about 74 points.
Why 46628 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 46628, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 46628 is about 55%, about 17 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 37% of adults in 46628 have never been married, above 83% of zip codes. 46628 runs against the grain of Indiana, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 46628, IN sits in the top quarter nationally on this measure.
Why turnout in 46628 looks the way it does
Areas with high food insecurity turn out at lower rates. About 24% of adults in 46628 report food insecurity, about 8 points above the U.S. average of 16%. Limited routine healthcare access lines up with lower turnout, and 46628 sits in the bottom quarter on routine-care measures. 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.