Jeffersontown leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 73% of adults in Jeffersontown typically vote, above the U.S. average of about 62%. Among adults in Jeffersontown, ~39% vote Democratic, ~34% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Jeffersontown compares
Among cities within 25 miles, Jeffersontown leans more Democratic than 82 of 113 neighbors.
Jeffersontown runs about 36 points more Democratic than Kentucky as a whole. Kentucky leans Republican overall, while Jeffersontown is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within Jeffersontown. The northwest side runs the most Democratic (D+15) and the east side runs the most Republican (R+8), a spread of about 23 points.
Why Jeffersontown leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Jeffersontown, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 98% of residents in Jeffersontown live in densely developed areas, about 61 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Jeffersontown sits in the top quarter (about 40%, above 87% of cities). Jeffersontown runs against the grain of Kentucky, a Democratic-leaning pocket in a Republican-leaning state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Jeffersontown, KY sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Jeffersontown looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Jeffersontown is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 66%, about 6 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hurstbourne Acres, KY D+21
- Houston Acres, KY D+14
- Hurstbourne, KY R+3
- St. Regis Park, KY D+5
- Blue Ridge Manor, KY D+12
- Douglass Hills, KY D+6
- Bellemeade, KY Even
- Meadowview Estates, KY D+30
- Woodland Hills, KY Even
- Middletown, KY D+6
Cities with Similar Populations
- North Platte, NE R+39
- Benicia, CA D+15
- Chaska, MN D+2
- Peyton, CO R+41
- Ravenna, OH R+18
- Ramsey, MN R+11
- Villa Park, IL D+17
- Nazareth, PA R+14
- Waynesboro, PA R+41
- Ottumwa, IA R+20
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.