79830 leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.
About 68% of adults in 79830 typically vote, above the U.S. average of about 62%. Among adults in 79830, ~31% vote Democratic, ~37% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 79830 compares
79830 runs about 6 points more Democratic than Texas as a whole.
Politics vary noticeably by block within 79830. The north side runs the most Democratic (D+3) and the northeast side runs the most Republican (R+38), a spread of about 42 points.
Why 79830 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 79830. The lean here lands roughly where demographic data alone would predict.
Adult arthritis and voter turnout
Places with a low adult-arthritis rate tend to turn out at a higher rate; 79830, TX sits in the bottom quarter nationally on this measure. Arthritis does not drive turnout; it reflects the age and health profile of an area.
Why turnout in 79830 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 79830 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.