75705 leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 57% of adults in 75705 typically vote, near the U.S. average of about 62%. Among adults in 75705, ~27% vote Democratic, ~30% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How 75705 compares
Among zip codes within 15 miles, 75705 leans more Republican than 2 of 12 neighbors.
75705 runs about 8 points more Democratic than Texas as a whole.
Politics vary noticeably by block within 75705. The northwest side runs the most Democratic (D+19) and the southeast side runs the most Republican (R+50), a spread of about 69 points.
Why 75705 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 75705, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 83% of residents in 75705 drive to work alone, about 9 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and 75705 sits in the bottom quarter (about 10%, below 94% of zip codes). A high family-household share predicts Republican voting, and about 75% of households in 75705 are family households, above 79% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 75705, TX sits in the bottom 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 75705 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 75705 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 40% of households in 75705 rent, above 86% 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.