StatisticCosta MesaCaliforniaNational
Population density (sq mi)7,15125691
Median age34.536.037.7
Male/Female ratio1.1:11.0:11.0:1
Married (15yrs & older)47%52%55%
Families w/ Kids under 1845%46%43%
Speak English61%56%79%
Speak Spanish29%29%13%

Key findings

  • The population density in Costa Mesa is 2693% higher than California
  • The median age in Costa Mesa is 4% lower than California
  • In Costa Mesa 68.79% of the population is White
  • In Costa Mesa 1.75% of the population is Black
  • In Costa Mesa 8.81% of the population is Asian

Compare Costa Mesa, CA Demographics


      Costa Mesa population breakdown by race

      RaceCosta MesaCaliforniaNational
      American Indian0.37%0.74%0.82%
      Native Hawaiian0.61%0.39%0.18%
      Mixed race3.85%4.62%3.06%
      Other race15.82%13.28%4.75%
      In Costa Mesa, 36.0% 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

      Costa Mesa age breakdown

      Marital status

      Age of children in married couples

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