75401 leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 47% of adults in 75401 typically vote, below the U.S. average of about 62%. Among adults in 75401, ~18% vote Democratic, ~29% Republican, and ~53% don't vote. The map below shows estimated turnout by block group.
How 75401 compares
Among zip codes within 15 miles, 75401 leans more Republican than 1 of 9 neighbors.
75401 runs about 10 points more Republican than Texas as a whole.
Politics vary noticeably by block within 75401. The south side runs the most Democratic (Even) and the northeast side runs the most Republican (R+53), a spread of about 53 points.
Why 75401 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 75401, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 14% of adults in 75401 hold a bachelor's degree, about 11 points below the Texas average of 26%.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 75401, TX sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 75401 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 75401 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 47%, about 7 points below the Texas average of 54%. Renters vote less often than owners, and about 44% of households in 75401 rent, compared to around 19% in nearby zip codes. Low high-school completion lines up with lower turnout, and about 82% of adults in 75401 have completed high school, below 89% 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.