Kendall County leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 83% of adults in Kendall County typically vote, above the U.S. average of about 62%. Among adults in Kendall County, ~22% vote Democratic, ~62% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How Kendall County compares
Among counties within 50 miles, Kendall County leans more Republican than 6 of 9 neighbors.
Kendall County runs about 35 points more Republican than Texas as a whole.
Politics vary noticeably by city within Kendall County. The northeast side is the most Republican-leaning (R+61) and the south side is the least Republican-leaning (R+37), a spread of about 24 points.
Why Kendall County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Kendall County, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 77% of households in Kendall County are family households, about 10 points above the U.S. average of 67%.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Kendall County, TX sits in the top quarter nationally on this measure.
Why turnout in Kendall County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Kendall County 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%. Homeowners vote more often than renters, and about 81% of households in Kendall County own their home, above 82% of counties. High high-school completion lines up with higher turnout, and about 95% of adults in Kendall County have completed high school, above 91% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Bandera County, TX R+59
- Bexar County, TX D+14
- Comal County, TX R+36
- Kerr County, TX R+45
- Blanco County, TX R+53
- Gillespie County, TX R+56
- Medina County, TX R+37
- Guadalupe County, TX R+23
- Hays County, TX D+4
- Wilson County, TX R+50
Counties with Similar Populations
- Callaway County, MO R+43
- Douglas County, WI Even
- Delaware County, NY R+17
- Holmes County, OH R+72
- Kittitas County, WA R+8
- Shenandoah County, VA R+44
- Ravalli County, MT R+43
- Lawrence County, TN R+68
- Huntingdon County, PA R+46
- Siskiyou County, CA R+17
All Local Stats
Home Services
Sources and methodology
Precinct-level voting records used to fit the model come from Texas Secretary of State, Elections Division, 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.