Prospect Hill leans heavily Democratic by roughly 38 points: about 69% of voters vote Democratic and 31% Republican.
About 28% of adults in Prospect Hill typically vote, below the U.S. average of about 62%. Among adults in Prospect Hill, ~19% vote Democratic, ~9% Republican, and ~72% don't vote. The map below shows estimated turnout by block group.
How Prospect Hill compares
Among neighborhoods within 5 miles, Prospect Hill leans more Democratic than 32 of 40 neighbors.
Prospect Hill runs about 53 points more Democratic than Texas as a whole. Texas leans Republican overall, while Prospect Hill is one of the few Democratic-leaning pockets.
Why Prospect Hill 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 Prospect Hill, not a ranked or complete list of what matters most.
Prospect Hill votes against the grain of Texas. Texas leans Republican overall, while Prospect Hill runs about 53 points more Democratic.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Prospect Hill, San Antonio, TX sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Prospect Hill looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Prospect Hill 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 36%, about 18 points below the Texas average of 54%. Low high-school completion lines up with lower turnout, and about 60% of adults in Prospect Hill have completed high school, below 98% of neighborhoods. High-crime urban areas turn out at lower rates, and Prospect Hill sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Woodlawn Lake, San Antonio, TX D+37
- Las Palmas, San Antonio, TX D+35
- Avenida Guadalupe, San Antonio, TX D+37
- Cattleman Square, San Antonio, TX D+35
- Jefferson-Woodlawn Lake, San Antonio, TX D+36
- Greater Gardendale, San Antonio, TX D+29
- Memorial Heights, San Antonio, TX D+35
- Brady Gardens, San Antonio, TX D+34
- Beacon Hill, San Antonio, TX D+43
- Jefferson, San Antonio, TX D+36
Neighborhoods with Similar Populations
- Upper Roseville, Newark, NJ D+23
- West Park, Irvine, CA D+14
- Brentwood, Los Angeles, CA D+27
- Battle Creek, St. Paul, MN D+39
- Mid City North, Baton Rouge, LA D+84
- South Baton Rouge, Baton Rouge, LA D+12
- Springlake-University Terrace, Shreveport, LA R+12
- Campello, Brockton, MA D+41
- Rochdale Village, Queens, NY D+83
- Wharton-Hawthorne-Bella Vista, Philadelphia, PA D+60
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.