StatisticSimi ValleyCaliforniaNational
Population density (sq mi)3,04125691
Median age40.036.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)59%52%55%
Families w/ Kids under 1843%46%43%
Speak English74%56%79%
Speak Spanish15%29%13%

Key findings

  • The population density in Simi Valley is 1088% higher than California
  • The median age in Simi Valley is 11% higher than California
  • In Simi Valley 79.46% of the population is White
  • In Simi Valley 1.33% of the population is Black
  • In Simi Valley 9.16% of the population is Asian

Compare Simi Valley, CA Demographics


      Simi Valley population breakdown by race

      RaceSimi ValleyCaliforniaNational
      American Indian0.52%0.74%0.82%
      Native Hawaiian0.12%0.39%0.18%
      Mixed race4.83%4.62%3.06%
      Other race4.58%13.28%4.75%
      In Simi Valley, 25.1% 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

      Simi Valley age breakdown

      Marital status

      Age of children in married couples

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