40010 leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 78% of adults in 40010 typically vote, above the U.S. average of about 62%. Among adults in 40010, ~26% vote Democratic, ~52% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 40010 compares
Among zip codes within 15 miles, 40010 leans more Republican than 17 of 25 neighbors.
Politically, 40010 sits close to the rest of Kentucky.
Why 40010 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 40010, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 78% of households in 40010 are family households, about 12 points above the U.S. average of 67%.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; 40010, KY sits in the top tenth nationally on this measure.
Why turnout in 40010 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 40010 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 71%, about 11 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and more than 99% of adults in 40010 have completed high school, in the top fraction 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.