Statistic Rio Oso California National
Population 414 39,512,223 328,239,523
Population density (sq mi) 64 256 91
Median age 36.9 36.0 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 53% 52% 55%
Families w/ Kids under 18 40% 46% 43%
Speak English 85% 56% 79%
Speak Spanish 1% 29% 13%
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Demographics Quick Facts

  • The population density in Rio Oso is 75% lower than California
  • The median age in Rio Oso is 3% higher than California
  • In Rio Oso 88.41% of the population is White
  • In Rio Oso 0.00% of the population is Black
  • In Rio Oso 9.90% of the population is Asian

Compare Rio Oso, CA Demographics

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      Rio Oso racial demographics

      Race Rio Oso California National
      White 88.41% 61.26% 73.35%
      Black 0.00% 5.85% 12.63%
      Asian 9.90% 13.85% 5.22%
      American Indian 0.00% 0.74% 0.82%
      Native Hawaiian 0.00% 0.39% 0.18%
      Mixed race 0.48% 4.62% 3.06%
      Other race 1.21% 13.28% 4.75%
      In Rio Oso, 1.9% 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

      Rio Oso age breakdown

      Marital status

      Age of children in married couples

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