Palm Heights, San Antonio, TX Political Map | Democrat & Republican Areas in Palm Heights

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

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

 

About 41% of adults in Palm Heights typically vote, below the U.S. average of about 62%. Among adults in Palm Heights, ~28% vote Democratic, ~14% Republican, and ~58% don't vote. The map below shows estimated turnout by block group.

How Palm Heights compares

Among neighborhoods within 5 miles, Palm Heights leans more Democratic than 11 of 31 neighbors.

Palm Heights runs about 47 points more Democratic than Texas as a whole. Texas leans Republican overall, while Palm Heights is one of the few Democratic-leaning pockets.

Politics vary noticeably by block within Palm Heights. The north side is the most Democratic-leaning (D+40) and the south side is the least Democratic-leaning (D+28), a spread of about 12 points.

Why Palm Heights 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 Palm Heights, not a ranked or complete list of what matters most.

Dense areas vote Democratic. More than 99% of residents in Palm Heights live in densely developed areas, about 64 points above the U.S. average of 36%. Palm Heights runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; Palm Heights, San Antonio, TX sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Palm Heights looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Palm Heights 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 45%, about 9 points below the Texas average of 54%. Low high-school completion lines up with lower turnout, and about 78% of adults in Palm Heights have completed high school, below 88% of neighborhoods. High-crime urban areas turn out at lower rates, and Palm Heights sits in the top 15% on a violent-crime measure. 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.