79843 is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 58% of adults in 79843 typically vote, near the U.S. average of about 62%. Among adults in 79843, ~30% vote Democratic, ~28% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 79843 compares
79843 runs about 17 points more Democratic than Texas as a whole. Texas leans Republican overall, while 79843 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 79843. The east side runs the most Democratic (D+9) and the west side runs the most Republican (R+4), a spread of about 12 points.
Why 79843 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 79843, not a ranked or complete list of what matters most.
79843 votes against the grain of Texas. Texas leans Republican overall, while 79843 runs about 17 points more Democratic.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 79843, TX sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 79843 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 79843 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 25%, about 7 points above the Texas average of 19%. High-crime urban areas turn out at lower rates, and 79843 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.