40829 is a Republican stronghold. About 14% of voters here vote Democratic and 86% Republican.
About 60% of adults in 40829 typically vote, near the U.S. average of about 62%. Among adults in 40829, ~8% vote Democratic, ~52% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How 40829 compares
Among zip codes within 15 miles, 40829 leans more Republican than 6 of 28 neighbors.
40829 runs about 42 points more Republican than Kentucky as a whole.
Politics vary noticeably by block within 40829. The southwest side is the most Republican-leaning (R+76) and the northwest side is the least Republican-leaning (R+65), a spread of about 11 points.
Why 40829 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 40829, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 91% of residents in 40829 drive to work alone, about 18 points above the U.S. average of 74%. A high white share with below-average college attainment predicts Republican voting, and 40829 fits that profile on both counts.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 40829, KY sits in the bottom tenth 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 40829 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 40829 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 47%, about 7 points below the Kentucky average of 54%. Renters vote less often than owners, and about 35% of households in 40829 rent, above 82% of zip codes. Low high-school completion lines up with lower turnout, and about 65% of adults in 40829 have completed high school, in the bottom fraction 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.