Population density (sq mi)3,5054,65045
Median age35.936.839.1
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)n/a46%55%
Families w/ Kids under 1853%45%42%
Speak Englishn/a81%85%
Speak Spanishn/a7%9%

Key findings

  • The population density in Centennial is 25% lower than Portland
  • The median age in Centennial is 2% lower than Portland
  • In Centennial 68.20% of the population is White
  • In Centennial 5.99% of the population is Black
  • In Centennial 12.35% of the population is Asian

Compare Portland, OR Demographics


      Centennial population breakdown by race

      American Indian0.66%0.69%1.14%
      Native Hawaiian1.70%0.65%0.38%
      Mixed race4.06%5.20%4.41%
      Other race7.04%2.43%3.13%
      In Centennial, 9.7% 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

      Centennial age breakdown

      Marital status

      Age of children in married couples

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