78672 is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About more than 99% of adults in 78672 typically vote, above the U.S. average of about 62%. Among adults in 78672, ~18% vote Democratic, ~94% Republican, and ~-12% don't vote. The map below shows estimated turnout by block group.
How 78672 compares
Among zip codes within 15 miles, 78672 leans more Republican than 4 of 5 neighbors.
78672 runs about 55 points more Republican than Texas as a whole.
Why 78672 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 78672, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in 78672 live in densely developed areas, about 30 points below the Texas average of 35%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 78672, TX sits in the bottom tenth 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 78672 looks the way it does
Homeowners vote more often than renters. About 91% of households in 78672 own their home, about 16 points above the Texas average of 75%. 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.