40505 leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 59% of adults in 40505 typically vote, near the U.S. average of about 62%. Among adults in 40505, ~35% vote Democratic, ~23% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 40505 compares
Among zip codes within 15 miles, 40505 leans more Democratic than 12 of 21 neighbors.
40505 runs about 50 points more Democratic than Kentucky as a whole. Kentucky leans Republican overall, while 40505 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 40505. The northwest side is the most Democratic-leaning (D+33) and the northeast side is the least Democratic-leaning (D+9), a spread of about 24 points.
Why 40505 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 40505, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 96% of residents in 40505 live in densely developed areas, about 60 points above the U.S. average of 36%. 40505 runs against the grain of Kentucky, a Democratic-leaning pocket in a Republican-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 40505, KY sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 40505 looks the way it does
Renters vote less often than owners. About 40% of households in 40505 rent, about 15 points above the U.S. average of 25%. 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.