Sunset Valley, TX Political Map | Democrat & Republican Areas in Sunset Valley

By the BestNeighborhood data science team. Last updated May 2026.

Sunset Valley leans heavily Democratic by roughly 48 points: about 74% of voters vote Democratic and 26% Republican.

 

About 55% of adults in Sunset Valley typically vote, below the U.S. average of about 62%. Among adults in Sunset Valley, ~41% vote Democratic, ~14% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.

How Sunset Valley compares

Among cities within 25 miles, Sunset Valley is the most Democratic-leaning.

Sunset Valley runs about 61 points more Democratic than Texas as a whole. Texas leans Republican overall, while Sunset Valley is one of the few Democratic-leaning pockets.

Why Sunset Valley leans the way it does

This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Sunset Valley, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 70% of adults in Sunset Valley hold a bachelor's degree, about 42 points above the U.S. average of 28%. Dense areas vote Democratic, and Sunset Valley sits in the top fifth on density (about 73%, above 93% of cities). Sunset Valley runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; Sunset Valley, TX sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.

Why turnout in Sunset Valley looks the way it does

Renters vote less often than owners. About 77% of households in Sunset Valley rent, about 52 points above the U.S. average of 25%. Strong routine healthcare access lines up with higher turnout, and Sunset Valley sits in the top quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.

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.