40216 leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.
About 61% of adults in 40216 typically vote, near the U.S. average of about 62%. Among adults in 40216, ~40% vote Democratic, ~21% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How 40216 compares
Among zip codes within 15 miles, 40216 leans more Democratic than 29 of 42 neighbors.
40216 runs about 62 points more Democratic than Kentucky as a whole. Kentucky leans Republican overall, while 40216 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 40216. The northeast side is the most Democratic-leaning (D+68) and the southwest side is the least Democratic-leaning (Even), a spread of about 68 points.
Why 40216 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 40216, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 96% of residents in 40216 live in densely developed areas, about 60 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 41% of adults in 40216 have never been married, above 88% of zip codes. 40216 runs against the grain of Kentucky, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 40216, KY sits in the top quarter nationally on this measure.
Why turnout in 40216 looks the way it does
Areas with low high-school completion turn out at lower rates. About 85% of adults in 40216 have completed high school, below 80% 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.