77624 is a Republican stronghold. About 12% of voters here vote Democratic and 88% Republican.
About 63% of adults in 77624 typically vote, near the U.S. average of about 62%. Among adults in 77624, ~8% vote Democratic, ~55% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How 77624 compares
Among zip codes within 15 miles, 77624 leans more Republican than 2 of 6 neighbors.
77624 runs about 62 points more Republican than Texas as a whole.
Politics vary noticeably by block within 77624. The southeast side is the most Republican-leaning (R+85) and the west side is the least Republican-leaning (R+68), a spread of about 17 points.
Why 77624 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 77624, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 12% of adults in 77624 hold a bachelor's degree, about 14 points below the Texas average of 26%. Car-dependent areas vote Republican, and about 84% of residents in 77624 drive to work alone, above 83% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 77624, 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 77624 looks the way it does
Homeowners vote more often than renters. About 95% of households in 77624 own their home, about 21 points above the Texas average of 75%. Limited routine healthcare access lines up with lower turnout, and 77624 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.