79106 leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 53% of adults in 79106 typically vote, below the U.S. average of about 62%. Among adults in 79106, ~20% vote Democratic, ~33% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How 79106 compares
Among zip codes within 15 miles, 79106 leans more Republican than 4 of 15 neighbors.
79106 runs about 10 points more Republican than Texas as a whole.
Politics vary noticeably by block within 79106. The south side is the most Republican-leaning (R+35) and the northeast side is the least Republican-leaning (R+5), a spread of about 30 points.
Why 79106 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 79106, not a ranked or complete list of what matters most.
79106 votes Republican even though it is densely developed (about 96%, far above the Texas average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
High-school completion, developed land, and voter turnout
Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as 79106, TX does.
Why turnout in 79106 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 79106 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 about 47% of households in 79106 rent, about 22 points above the U.S. average of 25%. 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.