Brooks County leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 64% of adults in Brooks County typically vote, near the U.S. average of about 62%. Among adults in Brooks County, ~34% vote Democratic, ~30% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Brooks County compares
Among counties within 50 miles, Brooks County is the most Democratic-leaning.
Brooks County runs about 20 points more Democratic than Texas as a whole. Texas leans Republican overall, while Brooks County is one of the few Democratic-leaning pockets.
Politics vary noticeably by city within Brooks County. The north side runs the most Democratic (D+9) and the southwest side runs the most Republican (Even), a spread of about 11 points.
Why Brooks 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 Brooks County, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 45% of adults in Brooks County have never been married, well above similar-sized counties (around 27%). Brooks County runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Brooks County, TX sits above the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Brooks County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Brooks County is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 43%, about 10 points below the Texas average of 54%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Kenedy County, TX R+44
- Kleberg County, TX R+6
- Jim Hogg County, TX R+2
- Jim Wells County, TX R+14
- Duval County, TX R+10
- Nueces County, TX R+4
- Willacy County, TX R+7
- Hidalgo County, TX R+2
- San Patricio County, TX R+31
- Starr County, TX R+7
Counties with Similar Populations
- Nemaha County, NE R+45
- Pocahontas County, IA R+48
- Beaver County, UT R+69
- Kit Carson County, CO R+64
- Union County, IN R+58
- Blaine County, MT Even
- Dallam County, TX R+46
- Shannon County, MO R+68
- Caribou County, ID R+73
- Goliad County, TX R+60
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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.