Brewster County leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 66% of adults in Brewster County typically vote, near the U.S. average of about 62%. Among adults in Brewster County, ~29% vote Democratic, ~37% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Brewster County compares
Brewster County sits in a sparsely populated area with few comparable counties nearby.
Politically, Brewster County sits close to the rest of Texas.
Politics vary noticeably by city within Brewster County. The northeast side is the most Republican-leaning (R+40) and the northwest side is the least Republican-leaning (R+5), a spread of about 35 points.
Why Brewster County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Brewster County. The lean here lands roughly where demographic data alone would predict.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Brewster County, TX sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Brewster County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Brewster County is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Jeff Davis County, TX R+51
- Presidio County, TX D+4
- Pecos County, TX R+28
- Terrell County, TX R+65
- Reeves County, TX R+33
- Culberson County, TX R+18
- Ward County, TX R+56
- Upton County, TX R+58
- Crane County, TX R+48
Counties with Similar Populations
- Iron County, MO R+60
- Benewah County, ID R+60
- Greenlee County, AZ R+45
- Yellow Medicine County, MN R+47
- Chattahoochee County, GA R+14
- Wilkes County, GA R+13
- McCormick County, SC R+5
- Brown County, KS R+42
- Linn County, KS R+61
- Humboldt County, IA R+43
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.