78802 leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 66% of adults in 78802 typically vote, near the U.S. average of about 62%. Among adults in 78802, ~30% vote Democratic, ~36% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How 78802 compares
78802 sits in a sparsely populated area with few comparable zip codes nearby.
78802 runs about 4 points more Democratic than Texas as a whole.
Why 78802 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 78802, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. More than 99% of residents in 78802 drive to work alone, about 26 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and 78802 sits in the bottom quarter (about 4%, in the bottom fraction of zip codes). A high family-household share predicts Republican voting, and about 78% of households in 78802 are family households, above 88% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 78802, 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 78802 looks the way it does
Homeowners vote more often than renters. About 94% of households in 78802 own their home, about 19 points above the Texas average of 75%. Limited routine healthcare access lines up with lower turnout, and 78802 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.