40940 is a Republican stronghold. About 9% of voters here vote Democratic and 91% Republican.
About 52% of adults in 40940 typically vote, below the U.S. average of about 62%. Among adults in 40940, ~5% vote Democratic, ~47% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.
How 40940 compares
Among zip codes within 15 miles, 40940 is the most Republican-leaning.
40940 runs about 52 points more Republican than Kentucky as a whole.
Why 40940 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 40940, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in 40940 live in densely developed areas, about 14 points below the Kentucky average of 18%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 40940, KY sits in the bottom tenth 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 40940 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 40940 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%. Low high-school completion lines up with lower turnout, and about 84% of adults in 40940 have completed high school, below 84% 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.