79916 leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 32% of adults in 79916 typically vote, below the U.S. average of about 62%. Among adults in 79916, ~9% vote Democratic, ~23% Republican, and ~68% don't vote. The map below shows estimated turnout by block group.
How 79916 compares
Among zip codes within 15 miles, 79916 is the most Republican-leaning.
79916 runs about 28 points more Republican than Texas as a whole.
Politics vary noticeably by block within 79916. The northeast side is the most split-leaning (R+47) and the southwest side is the least split-leaning (R+3), a spread of about 45 points.
Why 79916 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 79916, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 95% of households in 79916 are family households, about 29 points above the U.S. average of 67%.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 79916, TX sits below the national average on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 79916 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 79916 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and more than 99% of households in 79916 rent, compared to around 51% in nearby zip codes. Low high-school completion lines up with lower turnout, and more than 99% of adults in 79916 have completed high school, in the top fraction of zip codes. 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.