41604 is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 64% of adults in 41604 typically vote, near the U.S. average of about 62%. Among adults in 41604, ~12% vote Democratic, ~52% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How 41604 compares
Among zip codes within 15 miles, 41604 leans more Republican than 20 of 50 neighbors.
41604 runs about 33 points more Republican than Kentucky as a whole.
Why 41604 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 41604, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 95% of residents in 41604 drive to work alone, about 22 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and 41604 sits in the bottom quarter (about 7%, below 98% of zip codes). A high family-household share predicts Republican voting, and about 82% of households in 41604 are family households, above 95% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 41604, KY sits in the bottom tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 41604 looks the way it does
Limited routine healthcare access lines up with lower turnout, and 41604 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.