46407 is a Democratic stronghold. About 91% of voters here vote Democratic and 9% Republican.
About 56% of adults in 46407 typically vote, below the U.S. average of about 62%. Among adults in 46407, ~51% vote Democratic, ~5% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How 46407 compares
Among zip codes within 15 miles, 46407 leans more Democratic than 32 of 33 neighbors.
46407 runs about 102 points more Democratic than Indiana as a whole. Indiana leans Republican overall, while 46407 is one of the few Democratic-leaning pockets.
Why 46407 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 46407, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 95% of residents in 46407 live in densely developed areas, about 59 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 52% of adults in 46407 have never been married, above 96% of zip codes. 46407 runs against the grain of Indiana, a Democratic-leaning pocket in a Republican-leaning state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 46407, IN sits in the bottom tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 46407 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 46407 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 36%, about 25 points below the Indiana average of 61%. Renters vote less often than owners, and about 59% of households in 46407 rent, compared to around 39% in nearby zip codes. High food insecurity lines up with lower turnout, and about 51% of adults in 46407 report food insecurity, in the top fraction 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.