Population density (sq mi)1,41725691
Median age47.936.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)65%52%55%
Families w/ Kids under 1840%46%43%
Speak English82%56%79%
Speak Spanish3%29%13%

Key findings

  • The population density in Atherton is 453% higher than California
  • The median age in Atherton is 33% higher than California
  • In Atherton 78.35% of the population is White
  • In Atherton 0.43% of the population is Black
  • In Atherton 14.37% of the population is Asian

Compare Atherton, CA Demographics


      Atherton population breakdown by race

      American Indian0.43%0.74%0.82%
      Native Hawaiian0.10%0.39%0.18%
      Mixed race4.97%4.62%3.06%
      Other race1.35%13.28%4.75%
      In Atherton, 5.1% 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

      Atherton age breakdown

      Marital status

      Age of children in married couples

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