Statistic Los Altos California National
Population 30,878 39,512,223 328,239,523
Population density (sq mi) 4,722 256 91
Median age 45.7 36.0 37.7
Male/Female ratio 1.0:1 1.0:1 1.0:1
Married (15yrs & older) 72% 52% 55%
Families w/ Kids under 18 46% 46% 43%
Speak English 66% 56% 79%
Speak Spanish 4% 29% 13%
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Demographics Quick Facts

  • The population density in Los Altos is 1744% higher than California
  • The median age in Los Altos is 27% higher than California
  • In Los Altos 59.57% of the population is White
  • In Los Altos 0.65% of the population is Black
  • In Los Altos 32.40% of the population is Asian

Compare Los Altos, CA Demographics

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      Los Altos population breakdown by race

      Race Los Altos California National
      White 59.57% 61.26% 73.35%
      Black 0.65% 5.85% 12.63%
      Asian 32.40% 13.85% 5.22%
      American Indian 0.12% 0.74% 0.82%
      Native Hawaiian 0.00% 0.39% 0.18%
      Mixed race 5.83% 4.62% 3.06%
      Other race 1.44% 13.28% 4.75%
      In Los Altos, 5.5% 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 United States Census Bureau American Community Survey (ACS).