77459 leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 75% of adults in 77459 typically vote, above the U.S. average of about 62%. Among adults in 77459, ~42% vote Democratic, ~33% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How 77459 compares
Among zip codes within 15 miles, 77459 leans more Democratic than 10 of 42 neighbors.
77459 runs about 25 points more Democratic than Texas as a whole. Texas leans Republican overall, while 77459 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 77459. The northeast side runs the most Democratic (D+41) and the south side runs the most Republican (R+8), a spread of about 48 points.
Why 77459 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 77459, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 57% of adults in 77459 hold a bachelor's degree, about 28 points above the U.S. average of 28%. Dense areas vote Democratic, and 77459 sits in the top fifth on density (about 83%, above 84% of zip codes). 77459 runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 77459, TX sits in the top quarter nationally on this measure.
Why turnout in 77459 looks the way it does
Turnout in 77459 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.