40374 is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 65% of adults in 40374 typically vote, near the U.S. average of about 62%. Among adults in 40374, ~14% vote Democratic, ~51% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How 40374 compares
Among zip codes within 15 miles, 40374 leans more Republican than 1 of 6 neighbors.
40374 runs about 24 points more Republican than Kentucky as a whole.
Why 40374 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 40374, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 15% of adults in 40374 hold a bachelor's degree, about 13 points below the U.S. average of 28%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 40374, KY sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 40374 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 40374 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 49%, about 5 points below the Kentucky average of 54%. 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.