79924 leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 43% of adults in 79924 typically vote, below the U.S. average of about 62%. Among adults in 79924, ~25% vote Democratic, ~18% Republican, and ~57% don't vote. The map below shows estimated turnout by block group.
How 79924 compares
Among zip codes within 15 miles, 79924 leans more Democratic than 16 of 28 neighbors.
79924 runs about 29 points more Democratic than Texas as a whole. Texas leans Republican overall, while 79924 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 79924. The south side is the most Democratic-leaning (D+20) and the northeast side is the least Democratic-leaning (D+9), a spread of about 10 points.
Why 79924 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 79924, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 94% of residents in 79924 live in densely developed areas, about 58 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 34% of adults in 79924 have never been married, above 78% of zip codes. 79924 runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 79924, TX sits in the top tenth nationally on this measure.
Why turnout in 79924 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 79924 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 49%, about 11 points below the U.S. average of 60%. Renters vote less often than owners, and about 36% of households in 79924 rent, compared to around 59% in nearby zip codes. Low high-school completion lines up with lower turnout, and about 81% of adults in 79924 have completed high school, below 89% 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.