46545 leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 62% of adults in 46545 typically vote, near the U.S. average of about 62%. Among adults in 46545, ~33% vote Democratic, ~29% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How 46545 compares
Among zip codes within 15 miles, 46545 leans more Democratic than 13 of 23 neighbors.
46545 runs about 25 points more Democratic than Indiana as a whole. Indiana leans Republican overall, while 46545 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 46545. The northwest side runs the most Democratic (D+24) and the east side runs the most Republican (R+14), a spread of about 39 points.
Why 46545 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 46545, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 88% of residents in 46545 live in densely developed areas, about 52 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 35% of adults in 46545 have never been married, above 79% of zip codes. 46545 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; 46545, IN sits in the top quarter nationally on this measure.
Why turnout in 46545 looks the way it does
Renters vote less often than owners. About 43% of households in 46545 rent, about 18 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.