40856 is a Republican stronghold. About 10% of voters here vote Democratic and 90% Republican.
About 53% of adults in 40856 typically vote, below the U.S. average of about 62%. Among adults in 40856, ~5% vote Democratic, ~48% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How 40856 compares
Among zip codes within 15 miles, 40856 leans more Republican than 20 of 22 neighbors.
40856 runs about 49 points more Republican than Kentucky as a whole.
Why 40856 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 40856, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in 40856 live in densely developed areas, about 13 points below the Kentucky average of 18%. Low college attainment predicts Republican voting, and 40856 sits in the bottom quarter (about 2%, in the bottom fraction of zip codes). A high family-household share predicts Republican voting, and about 77% of households in 40856 are family households, above 84% of zip codes.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 40856, 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 40856 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 40856 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 45%, about 9 points below the Kentucky average of 54%. Low high-school completion lines up with lower turnout, and about 75% of adults in 40856 have completed high school, below 96% of zip codes. 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.