75977 leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 78% of adults in 75977 typically vote, above the U.S. average of about 62%. Among adults in 75977, ~31% vote Democratic, ~47% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 75977 compares
75977 sits in a sparsely populated area with few comparable zip codes nearby.
75977 runs about 6 points more Republican than Texas as a whole.
Politics vary noticeably by block within 75977. The southwest side runs the most Democratic (D+13) and the northeast side runs the most Republican (R+85), a spread of about 98 points.
Why 75977 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 75977, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 4% of adults in 75977 hold a bachelor's degree, about 21 points below the Texas average of 26%. Rural areas vote Republican, and 75977 sits in the bottom quarter on density (about 6%, below 78% of zip codes).
Population density and Republican lean
Places with low population density tend to lean Republican; 75977, TX sits in the bottom tenth nationally on this measure.
Why turnout in 75977 looks the way it does
Homeowners vote more often than renters. About 89% of households in 75977 own their home, about 14 points above the Texas average of 75%. Limited routine healthcare access lines up with lower turnout, and 75977 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.