Stinson Beach leans heavily Democratic by roughly 36 points: about 68% of voters vote Democratic and 32% Republican.
About 91% of adults in Stinson Beach typically vote, above the U.S. average of about 62%. Among adults in Stinson Beach, ~62% vote Democratic, ~29% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How Stinson Beach compares
Among cities within 25 miles, Stinson Beach leans more Democratic than 8 of 59 neighbors.
Stinson Beach runs about 16 points more Democratic than California as a whole.
Politics vary noticeably by neighborhood within Stinson Beach. The northeast side is the most Democratic-leaning (D+46) and the northwest side is the least Democratic-leaning (D+36), a spread of about 10 points.
Why Stinson Beach leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Stinson Beach, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 68% of adults in Stinson Beach hold a bachelor's degree, about 39 points above the U.S. average of 28%.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Stinson Beach, CA sits in the top tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Stinson Beach looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Stinson Beach is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 71%, about 11 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 95% of households in Stinson Beach own their home, compared to around 71% in nearby cities. High high-school completion lines up with higher turnout, and more than 99% of adults in Stinson Beach have completed high school, in the top fraction of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Bolinas, CA D+36
- Muir Beach, CA D+46
- Tamalpais-Homestead Valley, CA D+62
- Mill Valley, CA D+55
- Fairfax, CA D+73
- Ross, CA D+52
- Greenbrae, CA D+51
- Kentfield, CA D+54
- Larkspur, CA D+58
- Woodacre, CA D+52
Cities with Similar Populations
- Beaver, AR R+45
- Reddock Springs, AL R+42
- Urie, WY R+77
- Industry, TX R+67
- Kirby, OH R+66
- Pleasant Grove, OH R+55
- Nokomis, AL R+62
- Urbandale, MO R+59
- New Vienna, IA R+47
- Valier, IL R+58
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.