77498 leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 56% of adults in 77498 typically vote, below the U.S. average of about 62%. Among adults in 77498, ~30% vote Democratic, ~26% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How 77498 compares
Among zip codes within 15 miles, 77498 leans more Democratic than 12 of 48 neighbors.
77498 runs about 19 points more Democratic than Texas as a whole. Texas leans Republican overall, while 77498 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 77498. The northwest side runs the most Democratic (D+16) and the southeast side runs the most Republican (R+13), a spread of about 29 points.
Why 77498 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 77498, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 89% of residents in 77498 live in densely developed areas, about 53 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 77498 sits in the top quarter (about 46%, above 86% of zip codes). A high never-married share predicts Democratic voting, and about 34% of adults in 77498 have never been married, above 77% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 77498, TX sits in the top quarter nationally on this measure.
Why turnout in 77498 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 77498 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.