78576 leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 30% of adults in 78576 typically vote, below the U.S. average of about 62%. Among adults in 78576, ~14% vote Democratic, ~16% Republican, and ~70% don't vote. The map below shows estimated turnout by block group.
How 78576 compares
Among zip codes within 15 miles, 78576 leans more Republican than 7 of 10 neighbors.
78576 runs about 8 points more Democratic than Texas as a whole.
Why 78576 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 78576, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 6% of adults in 78576 hold a bachelor's degree, about 19 points below the Texas average of 26%. Car-dependent areas vote Republican, and about 87% of residents in 78576 drive to work alone, above 92% of zip codes. A high family-household share predicts Republican voting, and about 94% of households in 78576 are family households, in the top fraction of zip codes.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 78576, TX sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 78576 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 78576 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 34%, about 20 points below the Texas average of 54%. Low high-school completion lines up with lower turnout, and about 49% of adults in 78576 have completed high school, in the bottom fraction of zip codes. High-crime urban areas turn out at lower rates, and 78576 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.