47905 is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.
About 67% of adults in 47905 typically vote, near the U.S. average of about 62%. Among adults in 47905, ~32% vote Democratic, ~35% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 47905 compares
Among zip codes within 15 miles, 47905 leans more Republican than 4 of 16 neighbors.
47905 runs about 16 points more Democratic than Indiana as a whole.
Politics vary noticeably by block within 47905. The west side runs the most Democratic (D+24) and the southeast side runs the most Republican (R+44), a spread of about 68 points.
Why 47905 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 47905. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 47905, IN sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 47905 looks the way it does
Turnout in 47905 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.