Webb County is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.
About 43% of adults in Webb County typically vote, below the U.S. average of about 62%. Among adults in Webb County, ~21% vote Democratic, ~22% Republican, and ~57% don't vote. The map below shows estimated turnout by block group.
How Webb County compares
Webb County runs about 14 points more Democratic than Texas as a whole. Texas leans Republican overall, while Webb County sits closer to the political middle.
Politics vary noticeably by city within Webb County. The west side runs the most Democratic (D+12) and the northeast side runs the most Republican (R+11), a spread of about 22 points.
Why Webb 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 Webb County, not a ranked or complete list of what matters most.
Webb County votes against the grain of Texas. Texas leans Republican overall, while Webb County runs about 14 points more Democratic.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Webb County, TX sits in the bottom tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Webb County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Webb 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 45%, about 9 points below the Texas average of 54%. Renters vote less often than owners, and about 34% of households in Webb County rent, above 84% of counties. Low high-school completion lines up with lower turnout, and about 70% of adults in Webb County have completed high school, in the bottom fraction of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Zapata County, TX R+7
- Jim Hogg County, TX R+2
- La Salle County, TX R+13
- Duval County, TX R+10
- Dimmit County, TX R+4
- Brooks County, TX D+7
- McMullen County, TX R+59
- Zavala County, TX D+4
- Starr County, TX R+7
- Jim Wells County, TX R+14
Counties with Similar Populations
- Washington County, MN D+10
- Cherokee County, GA R+33
- Madison County, IL R+11
- Brown County, WI R+4
- Buncombe County, NC D+18
- St. Tammany Parish, LA R+35
- Santa Cruz County, CA D+49
- Erie County, PA Even
- Frederick County, MD D+10
- Marin County, CA D+48
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.