Paradise Valley leans heavily Democratic by roughly 42 points: about 71% of voters vote Democratic and 29% Republican.
About 50% of adults in Paradise Valley typically vote, below the U.S. average of about 62%. Among adults in Paradise Valley, ~36% vote Democratic, ~14% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.
How Paradise Valley compares
Among neighborhoods within 5 miles, Paradise Valley leans more Democratic than 15 of 26 neighbors.
Paradise Valley runs about 22 points more Democratic than California as a whole.
Why Paradise Valley leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Paradise Valley. The lean here lands roughly where demographic data alone would predict.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Paradise Valley, South San Francisco, CA sits in the top quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Paradise Valley looks the way it does
Areas with low high-school completion turn out at lower rates. About 83% of adults in Paradise Valley have completed high school, about 7 points below the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Downtown South San Francisco, South San Francisco, CA D+46
- Sunshine Gardens, South San Francisco, CA D+41
- El Camino, South San Francisco, CA D+43
- Lindenville, South San Francisco, CA D+40
- Serra Highlands, South San Francisco, CA D+43
- Westborough, South San Francisco, CA D+41
- Serramonte, Daly City, CA D+36
- Hillside, Daly City, CA D+39
- Visitacion Valley, San Francisco, CA D+36
- Crocker, Daly City, CA D+42
Neighborhoods with Similar Populations
- Rock Creek Lexington Road, Louisville, KY D+35
- Courier City, Tampa, FL Even
- Downtown Springfield, Springfield, MO D+19
- Caufield, Oregon City, OR R+3
- Jefferson, San Antonio, TX D+36
- Haines Corner, Lewiston, ME R+23
- Parkside, Portland, ME D+77
- Middletown, San Diego, CA D+47
- Mission Hills, El Paso, TX D+27
- Harbor, Ashtabula, OH R+7
Sources and methodology
Precinct-level voting records used to fit the model come from California Secretary of State, Elections, 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.