47040 is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 80% of adults in 47040 typically vote, above the U.S. average of about 62%. Among adults in 47040, ~18% vote Democratic, ~63% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How 47040 compares
Among zip codes within 15 miles, 47040 leans more Republican than 8 of 16 neighbors.
47040 runs about 38 points more Republican than Indiana as a whole.
Politics vary noticeably by block within 47040. The west side is the most Republican-leaning (R+65) and the east side is the least Republican-leaning (R+46), a spread of about 19 points.
Why 47040 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 47040, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 47040, about 94% of residents are non-Hispanic white, about 21 points above the U.S. average of 72%; about 17% of adults hold a bachelor's degree, about 5 points below the Indiana average of 22%.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 47040, IN sits above the national average on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 47040 looks the way it does
Turnout in 47040 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.