40155 leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 50% of adults in 40155 typically vote, below the U.S. average of about 62%. Among adults in 40155, ~20% vote Democratic, ~30% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.
How 40155 compares
Among zip codes within 15 miles, 40155 leans more Republican than 2 of 12 neighbors.
40155 runs about 13 points more Democratic than Kentucky as a whole.
Why 40155 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 40155, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 7% of adults in 40155 hold a bachelor's degree, about 12 points below the Kentucky average of 19%. Dense places usually vote Democratic, but 40155 runs against that pattern.
High-school completion, developed land, and voter turnout
Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as 40155, KY does.
Why turnout in 40155 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 40155 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 49% of households in 40155 rent, compared to around 29% in nearby 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.