Statistic Simi Valley California National
Population 125,768 39,512,223 328,239,523
Population density (sq mi) 3,027 256 91
Median age 41.0 36.0 37.7
Male/Female ratio 1.0:1 1.0:1 1.0:1
Married (15yrs & older) 56% 52% 55%
Families w/ Kids under 18 40% 46% 43%
Speak English 74% 56% 79%
Speak Spanish 15% 29% 13%

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Demographics Quick Facts

  • The population density in Simi Valley is 1083% higher than California
  • The median age in Simi Valley is 14% higher than California
  • In Simi Valley 73.74% of the population is White
  • In Simi Valley 1.42% of the population is Black
  • In Simi Valley 11.96% of the population is Asian

Compare Simi Valley, CA Demographics

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      Simi Valley population breakdown by race

      Race Simi Valley California National
      White 73.74% 61.26% 73.35%
      Black 1.42% 5.85% 12.63%
      Asian 11.96% 13.85% 5.22%
      American Indian 0.40% 0.74% 0.82%
      Native Hawaiian 0.25% 0.39% 0.18%
      Mixed race 7.59% 4.62% 3.06%
      Other race 4.64% 13.28% 4.75%
      In Simi Valley, 24.5% 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 United States Census Bureau American Community Survey (ACS).