40737 is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 56% of adults in 40737 typically vote, below the U.S. average of about 62%. Among adults in 40737, ~10% vote Democratic, ~46% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How 40737 compares
Among zip codes within 15 miles, 40737 leans more Republican than 3 of 8 neighbors.
40737 runs about 33 points more Republican than Kentucky as a whole.
Why 40737 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 40737, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 40737, about 96% of residents are non-Hispanic white, about 23 points above the U.S. average of 72%; about 12% of adults hold a bachelor's degree, about 7 points below the Kentucky average of 19%. A high family-household share predicts Republican voting, and about 84% of households in 40737 are family households, above 96% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 40737, KY sits in the bottom quarter 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 40737 looks the way it does
Areas with low high-school completion turn out at lower rates. About 77% of adults in 40737 have completed high school, about 13 points below the U.S. average of 90%. 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.