75236 leans heavily Democratic by roughly 40 points: about 70% of voters vote Democratic and 30% Republican.
About 41% of adults in 75236 typically vote, below the U.S. average of about 62%. Among adults in 75236, ~28% vote Democratic, ~12% Republican, and ~60% don't vote. The map below shows estimated turnout by block group.
How 75236 compares
Among zip codes within 15 miles, 75236 leans more Democratic than 42 of 63 neighbors.
75236 runs about 54 points more Democratic than Texas as a whole. Texas leans Republican overall, while 75236 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 75236. The northeast side runs the most Democratic (D+64) and the north side runs the most Republican (R+18), a spread of about 82 points.
Why 75236 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 75236, not a ranked or complete list of what matters most.
75236 votes against the grain of Texas. Texas leans Republican overall, while 75236 runs about 54 points more Democratic. Density combined with diversity predicts Democratic voting, and non-Hispanic white share in 75236 is about 17%, about 55 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 47% of adults in 75236 have never been married, above 94% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 75236, TX sits in the top quarter nationally on this measure.
Why turnout in 75236 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 75236 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 47%, about 7 points below the Texas average of 54%. Renters vote less often than owners, and about 59% of households in 75236 rent, compared to around 41% in nearby zip codes. Low high-school completion lines up with lower turnout, and about 76% of adults in 75236 have completed high school, below 95% 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.