79257 is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 88% of adults in 79257 typically vote, above the U.S. average of about 62%. Among adults in 79257, ~14% vote Democratic, ~74% Republican, and ~12% don't vote. The map below shows estimated turnout by block group.
How 79257 compares
79257 runs about 54 points more Republican than Texas as a whole.
Politics vary noticeably by block within 79257. The southwest side is the most Republican-leaning (R+77) and the north side is the least Republican-leaning (R+64), a spread of about 13 points.
Why 79257 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 79257. The lean here lands roughly where demographic data alone would predict.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 79257, TX sits below 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 79257 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 79257 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%. 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.