75036 leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 72% of adults in 75036 typically vote, above the U.S. average of about 62%. Among adults in 75036, ~34% vote Democratic, ~38% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How 75036 compares
Among zip codes within 15 miles, 75036 leans more Republican than 27 of 39 neighbors.
75036 runs about 7 points more Democratic than Texas as a whole.
Politics vary noticeably by block within 75036. The southwest side is the most split-leaning (R+17) and the northwest side is the least split-leaning (R+2), a spread of about 15 points.
Why 75036 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 75036, not a ranked or complete list of what matters most.
75036 votes Republican even though it is densely developed (about 75%, 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 81% of households in 75036 are family households, above 93% of zip codes.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; 75036, TX sits in the top tenth nationally on this measure.
Why turnout in 75036 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 75036 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 70%, about 9 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in 75036 have completed high school, above 90% 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.