StatisticLos AltosCaliforniaNational
Population density (sq mi)4,66825691
Median age45.736.037.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)75%52%55%
Families w/ Kids under 1849%46%43%
Speak English71%56%79%
Speak Spanish3%29%13%

Key findings

  • The population density in Los Altos is 1723% higher than California
  • The median age in Los Altos is 27% higher than California
  • In Los Altos 65.88% of the population is White
  • In Los Altos 0.23% of the population is Black
  • In Los Altos 27.27% of the population is Asian

Compare Los Altos, CA Demographics


      Los Altos population breakdown by race

      RaceLos AltosCaliforniaNational
      American Indian0.10%0.74%0.82%
      Native Hawaiian0.00%0.39%0.18%
      Mixed race5.73%4.62%3.06%
      Other race0.79%13.28%4.75%
      In Los Altos, 3.3% 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

      Los Altos age breakdown

      Marital status

      Age of children in married couples

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