Population density (sq mi)4,10225691
Median age48.336.037.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)48%52%55%
Families w/ Kids under 1843%46%43%
Speak English87%56%79%
Speak Spanish8%29%13%

Key findings

  • The population density in Sebastopol is 1502% higher than California
  • The median age in Sebastopol is 34% higher than California
  • In Sebastopol 87.25% of the population is White
  • In Sebastopol 1.11% of the population is Black
  • In Sebastopol 1.23% of the population is Asian

Compare Sebastopol, CA Demographics


      Sebastopol population breakdown by race

      American Indian0.37%0.74%0.82%
      Native Hawaiian0.56%0.39%0.18%
      Mixed race4.12%4.62%3.06%
      Other race5.36%13.28%4.75%
      In Sebastopol, 12.4% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Sebastopol age breakdown

      Marital status

      Age of children in married couples

      Source: The Sebastopol, CA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).