75225 leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 90% of adults in 75225 typically vote, above the U.S. average of about 62%. Among adults in 75225, ~35% vote Democratic, ~55% Republican, and ~10% don't vote. The map below shows estimated turnout by block group.
How 75225 compares
Among zip codes within 15 miles, 75225 is the most Republican-leaning.
75225 runs about 9 points more Republican than Texas as a whole.
Politics vary noticeably by block within 75225. The southwest side is the most Republican-leaning (R+33) and the north side is the least Republican-leaning (R+8), a spread of about 24 points.
Why 75225 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 75225, not a ranked or complete list of what matters most.
75225 votes Republican even though it is densely developed (more than 99%, 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 75% of households in 75225 are family households, above 78% of zip codes.
High-school completion, uninsured rate, and voter turnout
Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as 75225, TX does.
Why turnout in 75225 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 75225 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 75%, about 15 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and more than 99% of adults in 75225 have completed high school, above 98% 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.