Memorial Heights leans heavily Democratic by roughly 36 points: about 68% of voters vote Democratic and 32% Republican.
About 35% of adults in Memorial Heights typically vote, below the U.S. average of about 62%. Among adults in Memorial Heights, ~24% vote Democratic, ~11% Republican, and ~65% don't vote. The map below shows estimated turnout by block group.
How Memorial Heights compares
Among neighborhoods within 5 miles, Memorial Heights leans more Democratic than 25 of 38 neighbors.
Memorial Heights runs about 49 points more Democratic than Texas as a whole. Texas leans Republican overall, while Memorial Heights is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within Memorial Heights. The south side is the most Democratic-leaning (D+40) and the northwest side is the least Democratic-leaning (D+29), a spread of about 10 points.
Why Memorial 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 Memorial Heights, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Memorial Heights live in densely developed areas, about 64 points above the U.S. average of 36%. Memorial 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; Memorial Heights, San Antonio, TX sits in the bottom tenth 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 Memorial Heights looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Memorial 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 34%, about 20 points below the Texas average of 54%. Low high-school completion lines up with lower turnout, and about 71% of adults in Memorial Heights have completed high school, below 94% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Loma Park, San Antonio, TX D+27
- University Park-San Antonio, San Antonio, TX D+30
- Community Workers Council, San Antonio, TX D+27
- Third World, San Antonio, TX D+29
- Los Jardines, San Antonio, TX D+32
- Las Palmas, San Antonio, TX D+35
- Donaldson Terrace, San Antonio, TX D+31
- Culebra Park, San Antonio, TX D+27
- Prospect Hill, San Antonio, TX D+39
- Jefferson-Woodlawn Lake, San Antonio, TX D+36
Neighborhoods with Similar Populations
- North College, Abilene, TX R+14
- Oakford Park, Tampa, FL D+8
- North East, Olympia, WA D+58
- North Riverdale, Dayton, OH D+61
- Friendly Hills, Dakota Ridge, CO D+8
- Indian Hill, Worcester, MA D+27
- Moose Can Gully, Missoula, MT D+23
- Chaffee Park, Denver, CO D+50
- Lakeshore-Oakland, Oakland, CA D+85
- Medina, Zapata, TX Even
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.