75423 is a Republican stronghold. About 14% of voters here vote Democratic and 86% Republican.
About 68% of adults in 75423 typically vote, above the U.S. average of about 62%. Among adults in 75423, ~10% vote Democratic, ~58% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 75423 compares
Among zip codes within 15 miles, 75423 leans more Republican than 8 of 9 neighbors.
75423 runs about 58 points more Republican than Texas as a whole.
Why 75423 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 75423, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 81% of households in 75423 are family households, about 14 points above the U.S. average of 67%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 75423, TX sits in the bottom quarter 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 75423 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 75423 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.