75163 is a Republican stronghold. About 17% of voters here vote Democratic and 83% Republican.
About 76% of adults in 75163 typically vote, above the U.S. average of about 62%. Among adults in 75163, ~13% vote Democratic, ~63% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How 75163 compares
Among zip codes within 15 miles, 75163 leans more Republican than 5 of 8 neighbors.
75163 runs about 52 points more Republican than Texas as a whole.
Why 75163 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 75163. The lean here lands roughly where demographic data alone would predict.
Cholesterol-screening access and voter turnout
Places with high cholesterol-screening access tend to turn out at a higher rate; 75163, TX sits in the top quarter nationally on this measure. Cholesterol screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 75163 looks the way it does
Turnout in 75163 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.