40057 is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 71% of adults in 40057 typically vote, above the U.S. average of about 62%. Among adults in 40057, ~16% vote Democratic, ~55% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 40057 compares
Among zip codes within 15 miles, 40057 leans more Republican than 9 of 12 neighbors.
40057 runs about 26 points more Republican than Kentucky as a whole.
Politics vary noticeably by block within 40057. The east side is the most Republican-leaning (R+62) and the southwest side is the least Republican-leaning (R+52), a spread of about 10 points.
Why 40057 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 40057, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 40057, about 93% of residents are non-Hispanic white, about 20 points above the U.S. average of 72%; about 16% of adults hold a bachelor's degree, about 12 points below the U.S. average of 28%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 40057, 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 40057 looks the way it does
Turnout in 40057 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.