47907 leans heavily Democratic by roughly 40 points: about 70% of voters vote Democratic and 30% Republican.
About 26% of adults in 47907 typically vote, below the U.S. average of about 62%. Among adults in 47907, ~18% vote Democratic, ~8% Republican, and ~74% don't vote. The map below shows estimated turnout by block group.
How 47907 compares
Among zip codes within 15 miles, 47907 is the most Democratic-leaning.
47907 runs about 58 points more Democratic than Indiana as a whole. Indiana leans Republican overall, while 47907 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 47907. The east side is the most Democratic-leaning (D+52) and the northeast side is the least Democratic-leaning (D+31), a spread of about 21 points.
Why 47907 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 47907, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 47907 live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and more than 99% of adults in 47907 have never been married, in the top fraction of zip codes. 47907 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; 47907, 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 47907 looks the way it does
Renters vote less often than owners. More than 99% of households in 47907 rent, about 75 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 30% of adults in 47907 report food insecurity, above 94% of zip codes. Low high-school completion lines up with lower turnout, and more than 99% of adults in 47907 have completed high school, 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.