Bon Air leans heavily Democratic by roughly 30 points: about 65% of voters vote Democratic and 35% Republican.
About 67% of adults in Bon Air typically vote, near the U.S. average of about 62%. Among adults in Bon Air, ~44% vote Democratic, ~23% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Bon Air compares
Among neighborhoods within 5 miles, Bon Air leans more Democratic than 7 of 18 neighbors.
Bon Air runs about 61 points more Democratic than Kentucky as a whole. Kentucky leans Republican overall, while Bon Air is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within Bon Air. The southwest side is the most Democratic-leaning (D+39) and the southeast side is the least Democratic-leaning (D+21), a spread of about 18 points.
Why Bon Air leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Bon Air, not a ranked or complete list of what matters most.
Bon Air votes against the grain of Kentucky. Kentucky leans Republican overall, while Bon Air runs about 61 points more Democratic.
Developed land and Democratic lean
Places with a heavily developed built environment tend to lean Democratic; Bon Air, Louisville, KY sits in the top quarter nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Bon Air looks the way it does
Turnout in Bon Air sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Klondike, Louisville, KY D+23
- Bashford Manor, Louisville, KY D+40
- Bowman, Louisville, KY D+19
- Buechel, Louisville, KY D+31
- Hikes Point, Louisville, KY D+15
- Highlands Douglass, Louisville, KY D+57
- Belknap, Louisville, KY D+49
- Rock Creek Lexington Road, Louisville, KY D+35
- Deer Park, Louisville, KY D+61
- Crescent Hill, Louisville, KY D+46
Neighborhoods with Similar Populations
- Glen Iris, Birmingham, AL D+56
- Boise, Portland, OR D+81
- West Highland, Denver, CO D+65
- Chicot West, Little Rock, AR D+46
- Gentilly Terrace, New Orleans, LA D+75
- Walker's Point, Milwaukee, WI D+49
- The Pueblo, Las Vegas, NV D+13
- Georgian Acres, Austin, TX D+48
- International District, Seattle, WA D+61
- East Watertown, Watertown Town, MA D+62
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.