Sebastopol leans heavily Democratic by roughly 50 points: about 75% of voters vote Democratic and 25% Republican.
About 77% of adults in Sebastopol typically vote, above the U.S. average of about 62%. Among adults in Sebastopol, ~58% vote Democratic, ~19% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How Sebastopol compares
Among cities within 25 miles, Sebastopol leans more Democratic than 40 of 50 neighbors.
Sebastopol runs about 30 points more Democratic than California as a whole.
Politics vary noticeably by neighborhood within Sebastopol. The west side is the most Democratic-leaning (D+61) and the northeast side is the least Democratic-leaning (D+40), a spread of about 20 points.
Why Sebastopol 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 Sebastopol, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 49% of adults in Sebastopol hold a bachelor's degree, about 20 points above the U.S. average of 28%. Dense areas vote Democratic, and Sebastopol sits in the top fifth on density (about 50%, above 87% of cities).
Population density and Democratic lean
Places with high population density tend to lean Democratic; Sebastopol, CA sits in the top quarter nationally on this measure.
Why turnout in Sebastopol looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Sebastopol 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%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Graton, CA D+55
- Occidental, CA D+53
- Valley Ford, CA D+40
- Bodega, CA D+44
- Fulton, CA D+28
- Forestville, CA D+53
- Santa Rosa, CA D+42
- Rohnert Park, CA D+38
- Cotati, CA D+40
- Fallon, CA D+36
Cities with Similar Populations
- Chapin, SC R+40
- Hartsville, SC R+21
- Harbor City, CA D+27
- Parrish, FL R+32
- Round Lake Beach, IL D+16
- Edgewater, FL R+33
- Stillwater, MN D+12
- Mokena, IL R+17
- Burlington, IA Even
- Shoreview, MN D+30
All Local Stats
Home Services
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.