Forest Knolls is a Democratic stronghold. About 80% of voters here vote Democratic and 20% Republican.
About 75% of adults in Forest Knolls typically vote, above the U.S. average of about 62%. Among adults in Forest Knolls, ~60% vote Democratic, ~15% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Forest Knolls compares
Among cities within 25 miles, Forest Knolls leans more Democratic than 49 of 55 neighbors.
Forest Knolls runs about 40 points more Democratic than California as a whole.
Politics vary noticeably by neighborhood within Forest Knolls. The south side is the most Democratic-leaning (D+63) and the northeast side is the least Democratic-leaning (D+52), a spread of about 11 points.
Why Forest Knolls 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 Forest Knolls, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 61% of adults in Forest Knolls hold a bachelor's degree, about 32 points above the U.S. average of 28%.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Forest Knolls, 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 Forest Knolls looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Forest Knolls 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 74%, about 14 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Forest Knolls have completed high school, above 88% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Lagunitas-Forest Knolls, CA D+60
- San Geronimo, CA D+51
- Lagunitas, CA D+63
- Woodacre, CA D+52
- Nicasio, CA D+47
- Tocaloma, CA D+43
- Sleepy Hollow, CA D+55
- Fairfax, CA D+73
- Olema, CA D+43
- San Anselmo, CA D+60
Cities with Similar Populations
- Trapp, MS R+9
- Ransom, KY R+76
- Bryant, WA R+24
- Napier Field, AL R+45
- Gwynedd Valley, PA D+21
- Centralia, KS R+67
- Foraker, IN R+69
- Drummond, WI R+16
- Fine Creek Mills, VA R+34
- Kingstown, NC Even
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.