75039 leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.
About 49% of adults in 75039 typically vote, below the U.S. average of about 62%. Among adults in 75039, ~30% vote Democratic, ~19% Republican, and ~51% don't vote. The map below shows estimated turnout by block group.
How 75039 compares
Among zip codes within 15 miles, 75039 leans more Democratic than 44 of 77 neighbors.
75039 runs about 35 points more Democratic than Texas as a whole. Texas leans Republican overall, while 75039 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 75039. The southeast side is the most Democratic-leaning (D+27) and the southwest side is the least Democratic-leaning (D+6), a spread of about 20 points.
Why 75039 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 75039, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 76% of adults in 75039 hold a bachelor's degree, about 47 points above the U.S. average of 28%. Dense areas vote Democratic, and 75039 sits in the top fifth on density (about 87%, above 86% of zip codes). 75039 runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 75039, TX sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 75039 looks the way it does
Renters vote less often than owners. About 78% of households in 75039 rent, about 53 points above the U.S. average of 25%. 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.