Bolinas leans heavily Democratic by roughly 36 points: about 68% of voters vote Democratic and 32% Republican.
About 68% of adults in Bolinas typically vote, above the U.S. average of about 62%. Among adults in Bolinas, ~46% vote Democratic, ~22% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How Bolinas compares
Among cities within 25 miles, Bolinas leans more Democratic than 2 of 49 neighbors.
Bolinas runs about 15 points more Democratic than California as a whole.
Why Bolinas 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 Bolinas, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 61% of adults in Bolinas hold a bachelor's degree, about 33 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 34% of adults in Bolinas have never been married, above 84% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Bolinas, CA 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 Bolinas looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Bolinas 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%. High high-school completion lines up with higher turnout, and more than 99% of adults in Bolinas have completed high school, above 98% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Stinson Beach, CA D+36
- Muir Beach, CA D+46
- Lagunitas, CA D+63
- Forest Knolls, CA D+60
- San Geronimo, CA D+51
- Woodacre, CA D+52
- Lagunitas-Forest Knolls, CA D+60
- Fairfax, CA D+73
- San Anselmo, CA D+60
- Tamalpais-Homestead Valley, CA D+62
Cities with Similar Populations
- Hammond Crossroads, SC R+37
- Jackson Springs, NC R+10
- Highland, WI R+18
- Chaumont, NY R+20
- Lebanon, CO R+36
- Maynard, AR R+70
- Granton, WI R+43
- Baileys Harbor, WI D+8
- Ten Mile, MS R+66
- Terre Hill, PA R+47
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.