77098 leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican.
About 59% of adults in 77098 typically vote, near the U.S. average of about 62%. Among adults in 77098, ~37% vote Democratic, ~22% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How 77098 compares
Among zip codes within 15 miles, 77098 leans more Democratic than 48 of 88 neighbors.
77098 runs about 40 points more Democratic than Texas as a whole. Texas leans Republican overall, while 77098 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 77098. The northeast side is the most Democratic-leaning (D+62) and the northwest side is the least Democratic-leaning (D+10), a spread of about 52 points.
Why 77098 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 77098, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 77098 live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 77098 sits in the top quarter (about 82%, in the top fraction of zip codes). 77098 runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 77098, TX sits in the top tenth 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 77098 looks the way it does
Renters vote less often than owners. About 67% of households in 77098 rent, about 43 points above the U.S. average of 25%. Strong routine healthcare access lines up with higher turnout, and 77098 sits in the top quarter on routine-care measures. 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.