77872 is a Republican stronghold. About 12% of voters here vote Democratic and 88% Republican.
About 75% of adults in 77872 typically vote, above the U.S. average of about 62%. Among adults in 77872, ~9% vote Democratic, ~66% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How 77872 compares
Among zip codes within 15 miles, 77872 is the most Republican-leaning.
77872 runs about 62 points more Republican than Texas as a whole.
Why 77872 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 77872, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in 77872 live in densely developed areas, about 29 points below the Texas average of 35%. A high family-household share predicts Republican voting, and about 78% of households in 77872 are family households, above 87% of zip codes.
Population density and Republican lean
Places with low population density tend to lean Republican; 77872, TX sits in the bottom quarter nationally on this measure.
Why turnout in 77872 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 77872 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.