42440 is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 70% of adults in 42440 typically vote, above the U.S. average of about 62%. Among adults in 42440, ~15% vote Democratic, ~55% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How 42440 compares
Among zip codes within 15 miles, 42440 leans more Republican than 2 of 12 neighbors.
42440 runs about 24 points more Republican than Kentucky as a whole.
Why 42440 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 42440, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 91% of residents in 42440 drive to work alone, about 17 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and 42440 sits in the bottom quarter (about 5%, in the bottom fraction of zip codes).
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 42440, KY sits in the bottom quarter 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 42440 looks the way it does
Turnout in 42440 sits close to the national pattern. 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.