47408 leans heavily Democratic by roughly 46 points: about 73% of voters vote Democratic and 27% Republican.
About 48% of adults in 47408 typically vote, below the U.S. average of about 62%. Among adults in 47408, ~35% vote Democratic, ~13% Republican, and ~52% don't vote. The map below shows estimated turnout by block group.
How 47408 compares
Among zip codes within 15 miles, 47408 leans more Democratic than 11 of 13 neighbors.
47408 runs about 65 points more Democratic than Indiana as a whole. Indiana leans Republican overall, while 47408 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 47408. The south side is the most Democratic-leaning (D+65) and the northeast side is the least Democratic-leaning (D+5), a spread of about 61 points.
Why 47408 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 47408, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 55% of adults in 47408 hold a bachelor's degree, about 26 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 64% of adults in 47408 have never been married, in the top fraction of zip codes. 47408 runs against the grain of Indiana, a Democratic-leaning pocket in a Republican-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 47408, IN sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 47408 looks the way it does
Renters vote less often than owners. About 67% of households in 47408 rent, about 42 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 20% of adults in 47408 report food insecurity, above 80% 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.