77976 is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.
About 76% of adults in 77976 typically vote, above the U.S. average of about 62%. Among adults in 77976, ~11% vote Democratic, ~65% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How 77976 compares
Among zip codes within 15 miles, 77976 leans more Republican than 4 of 5 neighbors.
77976 runs about 56 points more Republican than Texas as a whole.
Why 77976 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 77976, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 76% of households in 77976 are family households, about 9 points above the U.S. average of 67%.
Population density and Republican lean
Places with low population density tend to lean Republican; 77976, TX sits in the bottom quarter nationally on this measure.
Why turnout in 77976 looks the way it does
Homeowners vote more often than renters. About 94% of households in 77976 own their home, about 19 points above the Texas average of 75%. Limited routine healthcare access lines up with lower turnout, and 77976 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.