77534 is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.
About 57% of adults in 77534 typically vote, near the U.S. average of about 62%. Among adults in 77534, ~9% vote Democratic, ~48% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How 77534 compares
Among zip codes within 15 miles, 77534 is the most Republican-leaning.
77534 runs about 56 points more Republican than Texas as a whole.
Why 77534 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 77534, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 83% of residents in 77534 drive to work alone, about 9 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and 77534 sits in the bottom quarter (about 15%, below 82% of zip codes). A high family-household share predicts Republican voting, and about 80% of households in 77534 are family households, above 92% of zip codes.
High-school completion, uninsured rate, and voter turnout
Places that combine low high-school-completion share and a high uninsured rate tend to turn out at a lower rate, as 77534, TX does.
Why turnout in 77534 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 77534 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.