79505 is a Republican stronghold. About 11% of voters here vote Democratic and 89% Republican.
About 63% of adults in 79505 typically vote, near the U.S. average of about 62%. Among adults in 79505, ~7% vote Democratic, ~56% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How 79505 compares
Among zip codes within 15 miles, 79505 leans more Republican than 2 of 3 neighbors.
79505 runs about 65 points more Republican than Texas as a whole.
Why 79505 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 79505. The lean here lands roughly where demographic data alone would predict.
Population density and Republican lean
Places with low population density tend to lean Republican; 79505, TX sits in the bottom tenth nationally on this measure.
Why turnout in 79505 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 79505 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 47%, about 7 points below the Texas average of 54%. 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.