40915 is a Republican stronghold. About 14% of voters here vote Democratic and 86% Republican.
About 86% of adults in 40915 typically vote, above the U.S. average of about 62%. Among adults in 40915, ~12% vote Democratic, ~74% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.
How 40915 compares
Among zip codes within 15 miles, 40915 leans more Republican than 5 of 20 neighbors.
40915 runs about 42 points more Republican than Kentucky as a whole.
Why 40915 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 40915, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 6% of adults in 40915 hold a bachelor's degree, about 13 points below the Kentucky average of 19%.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 40915, KY 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 40915 looks the way it does
Limited routine healthcare access lines up with lower turnout, and 40915 sits in the bottom quarter on routine-care measures. 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 Kentucky State Board of 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.