79033 is a Republican stronghold. About 5% of voters here vote Democratic and 95% Republican.
About 71% of adults in 79033 typically vote, above the U.S. average of about 62%. Among adults in 79033, ~3% vote Democratic, ~68% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 79033 compares
79033 sits in a sparsely populated area with few comparable zip codes nearby.
79033 runs about 76 points more Republican than Texas as a whole.
Why 79033 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 79033, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 13% of adults in 79033 hold a bachelor's degree, about 12 points below the Texas average of 26%. A high family-household share predicts Republican voting, and about 83% of households in 79033 are family households, above 96% of zip codes.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 79033, TX sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 79033 looks the way it does
Homeowners vote more often than renters. More than 99% of households in 79033 own their home, about 25 points above the Texas average of 75%. Limited routine healthcare access lines up with lower turnout, and 79033 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.