Highland Park, San Antonio, TX Political Map | Democrat & Republican Areas in Highland Park

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

Highland Park leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.

 

About 46% of adults in Highland Park typically vote, below the U.S. average of about 62%. Among adults in Highland Park, ~31% vote Democratic, ~15% Republican, and ~54% don't vote. The map below shows estimated turnout by block group.

How Highland Park compares

Among neighborhoods within 5 miles, Highland Park leans more Democratic than 13 of 26 neighbors.

Highland Park runs about 48 points more Democratic than Texas as a whole. Texas leans Republican overall, while Highland Park is one of the few Democratic-leaning pockets.

Why Highland Park 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 Highland Park, not a ranked or complete list of what matters most.

Highland Park votes against the grain of Texas. Texas leans Republican overall, while Highland Park runs about 48 points more Democratic. Density combined with diversity predicts Democratic voting, and non-Hispanic white share in Highland Park is about 12%, about 61 points below the U.S. average of 72%.

High-school completion, developed land, and voter turnout

Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as Highland Park, San Antonio, TX does.

Why turnout in Highland Park looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Highland Park 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 48%, about 5 points below the Texas average of 54%. Low high-school completion lines up with lower turnout, and about 82% of adults in Highland Park have completed high school, below 82% of neighborhoods. High-crime urban areas turn out at lower rates, and Highland Park sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.

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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.