Willowbrook, Houston, TX Political Map | Democrat & Republican Areas in Willowbrook

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

Willowbrook leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.

 

About 36% of adults in Willowbrook typically vote, below the U.S. average of about 62%. Among adults in Willowbrook, ~23% vote Democratic, ~13% Republican, and ~64% don't vote. The map below shows estimated turnout by block group.

How Willowbrook compares

Among neighborhoods within 5 miles, Willowbrook leans more Democratic than 3 of 5 neighbors.

Willowbrook runs about 42 points more Democratic than Texas as a whole. Texas leans Republican overall, while Willowbrook is one of the few Democratic-leaning pockets.

Politics vary noticeably by block within Willowbrook. The west side is the most Democratic-leaning (D+50) and the southeast side is the least Democratic-leaning (D+7), a spread of about 43 points.

Why Willowbrook leans the way it does

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

Willowbrook votes against the grain of Texas. Texas leans Republican overall, while Willowbrook runs about 42 points more Democratic. A high never-married share predicts Democratic voting, and about 49% of adults in Willowbrook have never been married, above 80% of neighborhoods.

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; Willowbrook, Houston, TX sits in the top quarter 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 Willowbrook looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Willowbrook is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 47%, about 7 points below the Texas average of 54%. Renters vote less often than owners, and about 71% of households in Willowbrook rent, compared to around 33% in nearby neighborhoods. Low high-school completion lines up with lower turnout, and about 83% of adults in Willowbrook have completed high school, below 80% of neighborhoods. 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.