77584 leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 70% of adults in 77584 typically vote, above the U.S. average of about 62%. Among adults in 77584, ~39% vote Democratic, ~32% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 77584 compares
Among zip codes within 15 miles, 77584 leans more Democratic than 19 of 59 neighbors.
77584 runs about 25 points more Democratic than Texas as a whole. Texas leans Republican overall, while 77584 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 77584. The northwest side runs the most Democratic (D+34) and the southeast side runs the most Republican (R+24), a spread of about 58 points.
Why 77584 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 77584, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 53% of adults in 77584 hold a bachelor's degree, about 24 points above the U.S. average of 28%. Dense areas vote Democratic, and 77584 sits in the top fifth on density (about 91%, above 88% of zip codes). 77584 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; 77584, TX sits above the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 77584 looks the way it does
Turnout in 77584 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.