77457 is a Republican stronghold. About 14% of voters here vote Democratic and 86% Republican.
About 75% of adults in 77457 typically vote, above the U.S. average of about 62%. Among adults in 77457, ~10% vote Democratic, ~65% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How 77457 compares
77457 sits in a sparsely populated area with few comparable zip codes nearby.
77457 runs about 58 points more Republican than Texas as a whole.
Why 77457 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 77457. The lean here lands roughly where demographic data alone would predict.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 77457, 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 77457 looks the way it does
Homeowners vote more often than renters. About 91% of households in 77457 own their home, about 16 points above the Texas average of 75%. Limited routine healthcare access lines up with lower turnout, and 77457 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.