Statistic Rancho San Joaquin Irvine California
Population 4,617 280,132 40,994,941
Population density (sq mi) 8,110 4,271 263
Median age 28.2 33.8 36.0
Male/Female ratio 1.0:1 1.0:1 1.0:1
Married (15yrs & older) n/a 54% 52%
Families w/ Kids under 18 62% 52% 46%
Speak English n/a 50% 56%
Speak Spanish n/a 6% 29%
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Demographics Quick Facts

  • The population density in Rancho San Joaquin is 90% higher than Irvine
  • The median age in Rancho San Joaquin is 16% lower than Irvine
  • In Rancho San Joaquin 38.44% of the population is White
  • In Rancho San Joaquin 4.22% of the population is Black
  • In Rancho San Joaquin 45.37% of the population is Asian

Compare Irvine, CA Demographics

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      Rancho San Joaquin racial demographics

      Race Rancho San Joaquin Irvine California
      White 38.44% 44.93% 61.26%
      Black 4.22% 1.46% 5.85%
      Asian 45.37% 43.64% 13.85%
      American Indian 0.00% 0.16% 0.74%
      Native Hawaiian 0.00% 0.35% 0.39%
      Mixed race 7.46% 6.98% 4.62%
      Other race 4.51% 2.49% 13.28%
      In Rancho San Joaquin, 10.7% 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

      Rancho San Joaquin age breakdown

      Marital status

      Age of children in married couples

      Source: The Rancho San Joaquin, Irvine, CA demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS) and include 2026 modeled data developed using proprietary methodologies.