77365 leans heavily Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 60% of adults in 77365 typically vote, near the U.S. average of about 62%. Among adults in 77365, ~21% vote Democratic, ~39% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How 77365 compares
Among zip codes within 15 miles, 77365 leans more Republican than 15 of 21 neighbors.
77365 runs about 17 points more Republican than Texas as a whole.
Politics vary noticeably by block within 77365. The north side is the most Republican-leaning (R+38) and the west side is the least Republican-leaning (R+12), a spread of about 26 points.
Why 77365 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 77365, not a ranked or complete list of what matters most.
77365 votes Republican even though it is densely developed (about 77%, far above the Texas average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 79% of households in 77365 are family households, above 89% of zip codes.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 77365, TX sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 77365 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 77365 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 50%, about 10 points below the U.S. average of 60%. 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.