40243 is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 74% of adults in 40243 typically vote, above the U.S. average of about 62%. Among adults in 40243, ~38% vote Democratic, ~35% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How 40243 compares
Among zip codes within 15 miles, 40243 leans more Democratic than 19 of 43 neighbors.
40243 runs about 34 points more Democratic than Kentucky as a whole. Kentucky leans Republican overall, while 40243 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 40243. The northeast side runs the most Democratic (D+15) and the southeast side runs the most Republican (Even), a spread of about 16 points.
Why 40243 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 40243, not a ranked or complete list of what matters most.
40243 votes against the grain of Kentucky. Kentucky leans Republican overall, while 40243 runs about 34 points more Democratic.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 40243, KY sits in the top 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 40243 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 40243 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 71%, about 11 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in 40243 have completed high school, above 92% 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.