77445 leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 51% of adults in 77445 typically vote, below the U.S. average of about 62%. Among adults in 77445, ~20% vote Democratic, ~31% Republican, and ~49% don't vote. The map below shows estimated turnout by block group.
How 77445 compares
Among zip codes within 15 miles, 77445 leans more Republican than 1 of 5 neighbors.
77445 runs about 9 points more Republican than Texas as a whole.
Politics vary noticeably by block within 77445. The east side runs the most Democratic (D+22) and the northeast side runs the most Republican (R+58), a spread of about 81 points.
Why 77445 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 77445, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 14% of adults in 77445 hold a bachelor's degree, about 12 points below the Texas average of 26%. A high family-household share predicts Republican voting, and about 80% of households in 77445 are family households, above 91% of zip codes.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 77445, TX sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 77445 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 77445 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 20%, about 10 points above the U.S. average of 10%. Renters vote less often than owners, and about 34% of households in 77445 rent, above 80% 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.