Preston Hollow, Dallas, TX Political Map | Democrat & Republican Areas in Preston Hollow

Preston Hollow leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.

 
Preston Hollow, Dallas, TX block-group political-lean map
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About 49% of adults in Preston Hollow typically vote, below the U.S. average of about 62%. Among adults in Preston Hollow, ~29% vote Democratic, ~20% Republican, and ~51% don't vote. The map below shows estimated turnout by block group.

Preston Hollow, Dallas, TX block-group voter-turnout map
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How Preston Hollow compares

Among neighborhoods within 5 miles, Preston Hollow leans more Democratic than 3 of 4 neighbors.

Preston Hollow runs about 31 points more Democratic than Texas as a whole. Texas leans Republican overall, while Preston Hollow is one of the few Democratic-leaning pockets.

Politics vary noticeably by block within Preston Hollow. The southwest side runs the most Democratic (D+27) and the east side runs the most Republican (R+12), a spread of about 39 points.

Why Preston Hollow 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 Preston Hollow, not a ranked or complete list of what matters most.

Preston Hollow votes against the grain of Texas. Texas leans Republican overall, while Preston Hollow runs about 31 points more Democratic.

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; Preston Hollow, Dallas, 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 Preston Hollow looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Preston Hollow 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 28%, about 10 points above the Texas average of 19%. Low high-school completion lines up with lower turnout, and about 72% of adults in Preston Hollow have completed high school, below 93% 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.