StatisticPort CostaCaliforniaNational
Population density (sq mi)1,44025691
Median age43.736.037.7
Male/Female ratio2.1:11.0:11.0:1
Married (15yrs & older)32%52%55%
Families w/ Kids under 1822%46%43%
Speak English92%56%79%
Speak Spanish8%29%13%

Key findings

  • The population density in Port Costa is 463% higher than California
  • The median age in Port Costa is 21% higher than California
  • In Port Costa 100.00% of the population is White
  • In Port Costa 0.00% of the population is Black
  • In Port Costa 0.00% of the population is Asian

Compare Port Costa, CA Demographics


      Port Costa population breakdown by race

      RacePort CostaCaliforniaNational
      American Indian0.00%0.74%0.82%
      Native Hawaiian0.00%0.39%0.18%
      Mixed race0.00%4.62%3.06%
      Other race0.00%13.28%4.75%
      In Port Costa, 0.0% 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

      Port Costa age breakdown

      Marital status

      Age of children in married couples

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