75209 leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 74% of adults in 75209 typically vote, above the U.S. average of about 62%. Among adults in 75209, ~41% vote Democratic, ~33% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How 75209 compares
Among zip codes within 15 miles, 75209 leans more Democratic than 14 of 74 neighbors.
75209 runs about 24 points more Democratic than Texas as a whole. Texas leans Republican overall, while 75209 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 75209. The southwest side runs the most Democratic (D+42) and the northeast side runs the most Republican (R+19), a spread of about 61 points.
Why 75209 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 75209, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 75209 live in densely developed areas, about 63 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 75209 sits in the top quarter (about 68%, above 97% of zip codes). 75209 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; 75209, 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 75209 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 75209 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 10 points above the U.S. average of 60%. 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.