77054 is a Democratic stronghold. About 78% of voters here vote Democratic and 22% Republican.
About 39% of adults in 77054 typically vote, below the U.S. average of about 62%. Among adults in 77054, ~30% vote Democratic, ~8% Republican, and ~62% don't vote. The map below shows estimated turnout by block group.
How 77054 compares
Among zip codes within 15 miles, 77054 leans more Democratic than 73 of 85 neighbors.
77054 runs about 69 points more Democratic than Texas as a whole. Texas leans Republican overall, while 77054 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 77054. The west side is the most Democratic-leaning (D+74) and the northwest side is the least Democratic-leaning (D+45), a spread of about 30 points.
Why 77054 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 77054, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 98% of residents in 77054 live in densely developed areas, about 61 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 77054 sits in the top quarter (about 63%, above 95% of zip codes). 77054 runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 77054, TX sits in the top tenth 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 77054 looks the way it does
Renters vote less often than owners. About 85% of households in 77054 rent, about 60 points above the U.S. average of 25%. 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.