76309 leans heavily Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 54% of adults in 76309 typically vote, below the U.S. average of about 62%. Among adults in 76309, ~19% vote Democratic, ~35% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How 76309 compares
Among zip codes within 15 miles, 76309 leans more Republican than 5 of 10 neighbors.
76309 runs about 17 points more Republican than Texas as a whole.
Politics vary noticeably by block within 76309. The northwest side is the most Republican-leaning (R+54) and the southeast side is the least Republican-leaning (R+6), a spread of about 48 points.
Why 76309 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 76309, not a ranked or complete list of what matters most.
76309 votes Republican even though it is densely developed (about 93%, far above the Texas average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Never-married share, developed land, and voter turnout
Places that combine a never-married-heavy adult population and a heavily developed built environment tend to turn out at a lower rate, as 76309, TX does.
Why turnout in 76309 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 76309 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 39% of households in 76309 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.