75437 is a Republican stronghold. About 11% of voters here vote Democratic and 89% Republican.
About 69% of adults in 75437 typically vote, above the U.S. average of about 62%. Among adults in 75437, ~8% vote Democratic, ~61% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How 75437 compares
Among zip codes within 15 miles, 75437 leans more Republican than 3 of 5 neighbors.
75437 runs about 65 points more Republican than Texas as a whole.
Why 75437 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 75437, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 12% of adults in 75437 hold a bachelor's degree, about 14 points below the Texas average of 26%. Rural areas vote Republican, and 75437 sits in the bottom quarter on density (about 4%, below 90% of zip codes). A high family-household share predicts Republican voting, and about 75% of households in 75437 are family households, above 80% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 75437, 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 75437 looks the way it does
Homeowners vote more often than renters. About 94% of households in 75437 own their home, about 19 points above the Texas average of 75%. Limited routine healthcare access lines up with lower turnout, and 75437 sits in the bottom quarter on routine-care measures. 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.