78369 leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 79% of adults in 78369 typically vote, above the U.S. average of about 62%. Among adults in 78369, ~27% vote Democratic, ~52% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How 78369 compares
78369 sits in a sparsely populated area with few comparable zip codes nearby.
78369 runs about 19 points more Republican than Texas as a whole.
Politics vary noticeably by block within 78369. The west side is the most Republican-leaning (R+35) and the north side is the least Republican-leaning (R+24), a spread of about 11 points.
Why 78369 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 78369, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 10% of adults in 78369 hold a bachelor's degree, about 16 points below the Texas average of 26%. Rural areas vote Republican, and 78369 sits in the bottom quarter on density (about 1%, below 98% of zip codes). A high family-household share predicts Republican voting, and about 76% of households in 78369 are family households, above 83% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 78369, 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 78369 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 78369 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 41%, about 13 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.