47906 leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican.
About 52% of adults in 47906 typically vote, below the U.S. average of about 62%. Among adults in 47906, ~33% vote Democratic, ~19% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.
How 47906 compares
Among zip codes within 15 miles, 47906 leans more Democratic than 11 of 13 neighbors.
47906 runs about 45 points more Democratic than Indiana as a whole. Indiana leans Republican overall, while 47906 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 47906. The southeast side runs the most Democratic (D+47) and the northeast side runs the most Republican (R+12), a spread of about 59 points.
Why 47906 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 47906, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 62% of adults in 47906 hold a bachelor's degree, about 33 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 59% of adults in 47906 have never been married, above 98% of zip codes. 47906 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; 47906, IN sits in the top tenth nationally on this measure.
Why turnout in 47906 looks the way it does
Renters vote less often than owners. About 55% of households in 47906 rent, about 30 points above the U.S. average of 25%. 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.