77659 is a Republican stronghold. About 13% of voters here vote Democratic and 87% Republican.
About 79% of adults in 77659 typically vote, above the U.S. average of about 62%. Among adults in 77659, ~10% vote Democratic, ~68% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 77659 compares
Among zip codes within 15 miles, 77659 leans more Republican than 8 of 10 neighbors.
77659 runs about 61 points more Republican than Texas as a whole.
Politics vary noticeably by block within 77659. The northwest side is the most Republican-leaning (R+82) and the south side is the least Republican-leaning (R+71), a spread of about 11 points.
Why 77659 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 77659, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 91% of residents in 77659 drive to work alone, about 17 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 81% of households in 77659 are family households, above 93% of zip codes.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 77659, TX sits in the top quarter nationally on this measure.
Why turnout in 77659 looks the way it does
Homeowners vote more often than renters. About 89% of households in 77659 own their home, about 14 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.