75249 leans heavily Democratic by roughly 46 points: about 73% of voters vote Democratic and 27% Republican.
About 55% of adults in 75249 typically vote, below the U.S. average of about 62%. Among adults in 75249, ~40% vote Democratic, ~15% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How 75249 compares
Among zip codes within 15 miles, 75249 leans more Democratic than 40 of 53 neighbors.
75249 runs about 60 points more Democratic than Texas as a whole. Texas leans Republican overall, while 75249 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 75249. The southeast side is the most Democratic-leaning (D+58) and the west side is the least Democratic-leaning (D+38), a spread of about 20 points.
Why 75249 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 75249, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 76% of residents in 75249 live in densely developed areas, about 39 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 35% of adults in 75249 have never been married, above 79% of zip codes. 75249 runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 75249, TX sits in the top tenth nationally on this measure.
Why turnout in 75249 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 75249 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.