Medina County leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 66% of adults in Medina County typically vote, near the U.S. average of about 62%. Among adults in Medina County, ~21% vote Democratic, ~45% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Medina County compares
Among counties within 50 miles, Medina County leans more Republican than 3 of 7 neighbors.
Medina County runs about 23 points more Republican than Texas as a whole.
Politics vary noticeably by city within Medina County. The southwest side is the most Republican-leaning (R+58) and the southeast side is the least Republican-leaning (R+28), a spread of about 30 points.
Why Medina 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 Medina County, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 75% of households in Medina County are family households, about 8 points above the U.S. average of 67%.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Medina County, TX sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Medina County looks the way it does
Homeowners vote more often than renters. About 83% of households in Medina County own their home, about 8 points above the Texas average of 75%. Limited routine healthcare access lines up with lower turnout, and Medina County sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Bandera County, TX R+59
- Bexar County, TX D+14
- Atascosa County, TX R+37
- Frio County, TX R+13
- Kendall County, TX R+49
- Uvalde County, TX R+23
- Wilson County, TX R+50
- Kerr County, TX R+45
- Comal County, TX R+36
- Guadalupe County, TX R+23
Counties with Similar Populations
- Bristol County, RI D+17
- Dearborn County, IN R+53
- Columbus County, NC R+27
- Henry County, VA R+31
- Somerset County, ME R+29
- Venango County, PA R+42
- Gibson County, TN R+44
- Cherokee County, TX R+47
- Lincoln County, OR D+13
- Wayne County, PA R+36
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.