Sunny Slope leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 26% of adults in Sunny Slope typically vote, below the U.S. average of about 62%. Among adults in Sunny Slope, ~18% vote Democratic, ~9% Republican, and ~73% don't vote. The map below shows estimated turnout by block group.
How Sunny Slope compares
Among neighborhoods within 5 miles, Sunny Slope leans more Democratic than 10 of 22 neighbors.
Sunny Slope runs about 48 points more Democratic than Texas as a whole. Texas leans Republican overall, while Sunny Slope is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within Sunny Slope. The north side is the most Democratic-leaning (D+43) and the southeast side is the least Democratic-leaning (D+29), a spread of about 14 points.
Why Sunny Slope 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 Sunny Slope, not a ranked or complete list of what matters most.
Sunny Slope votes against the grain of Texas. Texas leans Republican overall, while Sunny Slope runs about 48 points more Democratic.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Sunny Slope, 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 Sunny Slope looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Sunny Slope 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 40%, about 14 points below the Texas average of 54%. Low high-school completion lines up with lower turnout, and about 74% of adults in Sunny Slope have completed high school, below 91% of neighborhoods. High-crime urban areas turn out at lower rates, and Sunny Slope sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Highland Park, San Antonio, TX D+34
- Arena District, San Antonio, TX D+44
- Denver Heights, San Antonio, TX D+41
- Pecan Valley, San Antonio, TX D+26
- Highland Hills, San Antonio, TX D+25
- Jefferson Heights, San Antonio, TX D+49
- Riverside South, San Antonio, TX D+34
- Harvard Place-Eastlawn, San Antonio, TX D+52
- Hot Wells, San Antonio, TX D+29
- Dignowity Hill, San Antonio, TX D+42
Neighborhoods with Similar Populations
- Lindley Park, Greensboro, NC D+52
- Olde Providence North, Charlotte, NC D+5
- Wildes Corner, Warwick, RI D+3
- Stonewood, Stockton, CA D+12
- Tempe Junction, Tempe, AZ D+39
- Medical District, Memphis, TN D+71
- Westwood, Pittsburgh, PA D+20
- Woodbridge, Detroit, MI D+72
- Stone Meadows, Madison, WI D+52
- El Paso Lower Valley, El Paso, TX D+26
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.