46406 is a Democratic stronghold. About 78% of voters here vote Democratic and 22% Republican.
About 56% of adults in 46406 typically vote, below the U.S. average of about 62%. Among adults in 46406, ~44% vote Democratic, ~12% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How 46406 compares
Among zip codes within 15 miles, 46406 leans more Democratic than 27 of 46 neighbors.
46406 runs about 75 points more Democratic than Indiana as a whole. Indiana leans Republican overall, while 46406 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 46406. The west side runs the most Democratic (D+83) and the southwest side runs the most Republican (R+8), a spread of about 91 points.
Why 46406 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 46406, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 46406 is about 17%, about 55 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 47% of adults in 46406 have never been married, above 93% of zip codes. 46406 runs against the grain of Indiana, a Democratic-leaning pocket in a Republican-leaning state.
High-school completion, developed land, and voter turnout
Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as 46406, IN does.
Why turnout in 46406 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 46406 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 39%, about 22 points below the Indiana average of 61%. Renters vote less often than owners, and about 47% of households in 46406 rent, about 22 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 46% of adults in 46406 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.