77419 is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 82% of adults in 77419 typically vote, above the U.S. average of about 62%. Among adults in 77419, ~20% vote Democratic, ~62% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How 77419 compares
Among zip codes within 15 miles, 77419 leans more Republican than 2 of 8 neighbors.
77419 runs about 39 points more Republican than Texas as a whole.
Politics vary noticeably by block within 77419. The southeast side is the most Republican-leaning (R+62) and the north side is the least Republican-leaning (R+51), a spread of about 11 points.
Why 77419 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 77419, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 10% of adults in 77419 hold a bachelor's degree, about 16 points below the Texas average of 26%. A high family-household share predicts Republican voting, and about 83% of households in 77419 are family households, above 96% of zip codes.
Population density, never-married share, and Republican lean
Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as 77419, TX does.
Why turnout in 77419 looks the way it does
Homeowners vote more often than renters. About 98% of households in 77419 own their home, about 23 points above the Texas average of 75%. Limited routine healthcare access lines up with lower turnout, and 77419 sits in the bottom 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.