40219 leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 54% of adults in 40219 typically vote, below the U.S. average of about 62%. Among adults in 40219, ~31% vote Democratic, ~23% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How 40219 compares
Among zip codes within 15 miles, 40219 leans more Democratic than 21 of 41 neighbors.
40219 runs about 44 points more Democratic than Kentucky as a whole. Kentucky leans Republican overall, while 40219 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 40219. The north side runs the most Democratic (D+46) and the southeast side runs the most Republican (R+14), a spread of about 60 points.
Why 40219 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 40219, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 96% of residents in 40219 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 36% of adults in 40219 have never been married, above 82% of zip codes. 40219 runs against the grain of Kentucky, a Democratic-leaning pocket in a Republican-leaning state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 40219, KY sits in the bottom 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 40219 looks the way it does
Renters vote less often than owners. About 43% of households in 40219 rent, about 18 points above the U.S. average of 25%. Limited routine healthcare access lines up with lower turnout, and 40219 sits in the bottom quarter on routine-care measures. Low high-school completion lines up with lower turnout, and about 87% of adults in 40219 have completed high school, below 76% 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.