77064 is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 48% of adults in 77064 typically vote, below the U.S. average of about 62%. Among adults in 77064, ~25% vote Democratic, ~23% Republican, and ~52% don't vote. The map below shows estimated turnout by block group.
How 77064 compares
Among zip codes within 15 miles, 77064 leans more Democratic than 14 of 54 neighbors.
77064 runs about 17 points more Democratic than Texas as a whole. Texas leans Republican overall, while 77064 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 77064. The northeast side runs the most Democratic (D+24) and the southwest side runs the most Republican (R+8), a spread of about 32 points.
Why 77064 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 77064, not a ranked or complete list of what matters most.
77064 votes against the grain of Texas. Texas leans Republican overall, while 77064 runs about 17 points more Democratic.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 77064, TX sits in the top quarter nationally on this measure.
Why turnout in 77064 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 77064 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 21%, about 11 points above the U.S. average of 10%. Renters vote less often than owners, and about 34% of households in 77064 rent, above 81% of zip codes. 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.