77429 leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 72% of adults in 77429 typically vote, above the U.S. average of about 62%. Among adults in 77429, ~28% vote Democratic, ~44% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How 77429 compares
Among zip codes within 15 miles, 77429 leans more Republican than 24 of 30 neighbors.
77429 runs about 9 points more Republican than Texas as a whole.
Politics vary noticeably by block within 77429. The northeast side is the most Republican-leaning (R+29) and the southeast side is the least Republican-leaning (R+12), a spread of about 18 points.
Why 77429 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 77429, not a ranked or complete list of what matters most.
77429 votes Republican even though it is densely developed (about 87%, far above the Texas average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 79% of households in 77429 are family households, above 90% of zip codes.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 77429, TX sits in the top quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 77429 looks the way it does
Turnout in 77429 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.