42437 is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 66% of adults in 42437 typically vote, near the U.S. average of about 62%. Among adults in 42437, ~17% vote Democratic, ~49% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How 42437 compares
Among zip codes within 15 miles, 42437 is the least Republican-leaning.
42437 runs about 20 points more Republican than Kentucky as a whole.
Politics vary noticeably by block within 42437. The southwest side is the most Republican-leaning (R+64) and the east side is the least Republican-leaning (R+34), a spread of about 30 points.
Why 42437 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 42437, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 13% of adults in 42437 hold a bachelor's degree, about 6 points below the Kentucky average of 19%.
Housing overcrowding and voter turnout
Places with low overcrowding tend to turn out at a higher rate; 42437, KY sits in the bottom quarter nationally on this measure.
Why turnout in 42437 looks the way it does
Turnout in 42437 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.