79005 is a Republican stronghold. About 8% of voters here vote Democratic and 92% Republican.
About 60% of adults in 79005 typically vote, near the U.S. average of about 62%. Among adults in 79005, ~5% vote Democratic, ~55% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How 79005 compares
79005 sits in a sparsely populated area with few comparable zip codes nearby.
79005 runs about 70 points more Republican than Texas as a whole.
Why 79005 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 79005, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in 79005 live in densely developed areas, about 29 points below the Texas average of 35%.
Population density and Republican lean
Places with low population density tend to lean Republican; 79005, TX sits in the bottom tenth nationally on this measure.
Why turnout in 79005 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 79005 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 23%, about 13 points above the U.S. average of 10%. Low high-school completion lines up with lower turnout, and about 80% of adults in 79005 have completed high school, below 91% 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.