StatisticLos AlamosCaliforniaNational
Population density (sq mi)34925691
Median age34.836.037.7
Male/Female ratio1.2:11.0:11.0:1
Married (15yrs & older)54%52%55%
Families w/ Kids under 1853%46%43%
Speak English70%56%79%
Speak Spanish24%29%13%

Key findings

  • The population density in Los Alamos is 36% higher than California
  • The median age in Los Alamos is 3% lower than California
  • In Los Alamos 86.75% of the population is White
  • In Los Alamos 0.00% of the population is Black
  • In Los Alamos 5.70% of the population is Asian

Compare Los Alamos, CA Demographics


      Los Alamos population breakdown by race

      RaceLos AlamosCaliforniaNational
      American Indian0.37%0.74%0.82%
      Native Hawaiian0.00%0.39%0.18%
      Mixed race0.96%4.62%3.06%
      Other race6.22%13.28%4.75%
      In Los Alamos, 31.8% 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 Alamos age breakdown

      Marital status

      Age of children in married couples

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