47978 is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 70% of adults in 47978 typically vote, above the U.S. average of about 62%. Among adults in 47978, ~17% vote Democratic, ~53% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How 47978 compares
Among zip codes within 15 miles, 47978 is the least Republican-leaning.
47978 runs about 31 points more Republican than Indiana as a whole.
Politics vary noticeably by block within 47978. The east side is the most Republican-leaning (R+69) and the south side is the least Republican-leaning (R+41), a spread of about 28 points.
Why 47978 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 47978. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 47978, IN sits above the national average on this measure.
Why turnout in 47978 looks the way it does
Turnout in 47978 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.