78594 leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.
About 54% of adults in 78594 typically vote, below the U.S. average of about 62%. Among adults in 78594, ~25% vote Democratic, ~29% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How 78594 compares
Among zip codes within 15 miles, 78594 leans more Republican than 10 of 13 neighbors.
78594 runs about 5 points more Democratic than Texas as a whole.
Why 78594 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 78594, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 7% of adults in 78594 hold a bachelor's degree, about 18 points below the Texas average of 26%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 78594, TX sits in the bottom 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 78594 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 78594 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 46%, about 8 points below the Texas average of 54%. Low high-school completion lines up with lower turnout, and about 64% of adults in 78594 have completed high school, in the bottom fraction 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.