75043 leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 49% of adults in 75043 typically vote, below the U.S. average of about 62%. Among adults in 75043, ~28% vote Democratic, ~21% Republican, and ~51% don't vote. The map below shows estimated turnout by block group.
How 75043 compares
Among zip codes within 15 miles, 75043 leans more Democratic than 26 of 57 neighbors.
75043 runs about 29 points more Democratic than Texas as a whole. Texas leans Republican overall, while 75043 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 75043. The south side is the most Democratic-leaning (D+28) and the southwest side is the least Democratic-leaning (D+3), a spread of about 24 points.
Why 75043 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 75043, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 85% of residents in 75043 live in densely developed areas, about 49 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 34% of adults in 75043 have never been married, above 77% of zip codes. 75043 runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 75043, TX sits in the top tenth nationally on this measure.
Why turnout in 75043 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 75043 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 37% of households in 75043 rent, above 83% 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.