Population density (sq mi)7,88825691
Median age37.536.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)59%52%55%
Families w/ Kids under 1846%46%43%
Speak English61%56%79%
Speak Spanish24%29%13%

Key findings

  • The population density in Placentia is 2981% higher than California
  • The median age in Placentia is 4% higher than California
  • In Placentia 72.92% of the population is White
  • In Placentia 1.10% of the population is Black
  • In Placentia 16.97% of the population is Asian

Compare Placentia, CA Demographics


      Placentia population breakdown by race

      American Indian0.08%0.74%0.82%
      Native Hawaiian0.12%0.39%0.18%
      Mixed race4.03%4.62%3.06%
      Other race4.78%13.28%4.75%
      In Placentia, 36.9% 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

      Placentia age breakdown

      Marital status

      Age of children in married couples

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