78260 leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican.
About 80% of adults in 78260 typically vote, above the U.S. average of about 62%. Among adults in 78260, ~34% vote Democratic, ~46% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How 78260 compares
Among zip codes within 15 miles, 78260 leans more Republican than 24 of 29 neighbors.
Politically, 78260 sits close to the rest of Texas.
Politics vary noticeably by block within 78260. The northwest side is the most Republican-leaning (R+30) and the southeast side is the least Republican-leaning (R+4), a spread of about 26 points.
Why 78260 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 78260, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 82% of households in 78260 are family households, about 15 points above the U.S. average of 67%. Dense places usually vote Democratic, but 78260 runs against that pattern.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 78260, TX sits in the top quarter 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 78260 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 78260 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 69%, about 9 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in 78260 have completed high school, above 85% 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.