79543 is a Republican stronghold. About 13% of voters here vote Democratic and 87% Republican.
About 69% of adults in 79543 typically vote, above the U.S. average of about 62%. Among adults in 79543, ~9% vote Democratic, ~60% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How 79543 compares
Among zip codes within 15 miles, 79543 leans more Republican than 2 of 3 neighbors.
79543 runs about 61 points more Republican than Texas as a whole.
Why 79543 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 79543, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 3% of residents in 79543 live in densely developed areas, about 32 points below the Texas average of 35%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 79543, TX sits in the bottom 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 79543 looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in 79543 have completed high school, about 11 points above the Texas average of 86%. Limited routine healthcare access lines up with lower turnout, and 79543 sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.