79401 leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 33% of adults in 79401 typically vote, below the U.S. average of about 62%. Among adults in 79401, ~19% vote Democratic, ~14% Republican, and ~67% don't vote. The map below shows estimated turnout by block group.
How 79401 compares
Among zip codes within 15 miles, 79401 leans more Democratic than 18 of 19 neighbors.
79401 runs about 27 points more Democratic than Texas as a whole. Texas leans Republican overall, while 79401 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 79401. The southwest side is the most Democratic-leaning (D+20) and the southeast side is the least Democratic-leaning (D+8), a spread of about 12 points.
Why 79401 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 79401, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 79401 live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 79401 sits in the top quarter (about 45%, above 85% of zip codes). A high never-married share predicts Democratic voting, and about 75% of adults in 79401 have never been married, 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; 79401, 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 79401 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 79401 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 43%, about 10 points below the Texas average of 54%. Renters vote less often than owners, and about 88% of households in 79401 rent, compared to around 57% in nearby zip codes. High-crime urban areas turn out at lower rates, and 79401 sits in the top 15% on a violent-crime measure. 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.