79906 leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 31% of adults in 79906 typically vote, below the U.S. average of about 62%. Among adults in 79906, ~15% vote Democratic, ~16% Republican, and ~69% don't vote. The map below shows estimated turnout by block group.
How 79906 compares
Among zip codes within 15 miles, 79906 leans more Republican than 24 of 27 neighbors.
79906 runs about 8 points more Democratic than Texas as a whole.
Why 79906 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 79906, not a ranked or complete list of what matters most.
79906 votes Republican even though it is densely developed (about 92%, far above the Texas average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 96% of households in 79906 are family households, in the top fraction of zip codes.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 79906, TX sits in the bottom tenth nationally 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 79906 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 79906 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 44%, about 10 points below the Texas average of 54%. Renters vote less often than owners, and more than 99% of households in 79906 rent, compared to around 59% in nearby zip codes. Low high-school completion lines up with lower turnout, and about 97% of adults in 79906 have completed high school, above 87% 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.