Statistic Oso Washington National
Population 241 7,614,893 328,239,523
Population density (sq mi) 86 117 91
Median age 38.1 37.6 37.7
Male/Female ratio 0.7:1 1.0:1 1.0:1
Married (15yrs & older) 100% 56% 55%
Families w/ Kids under 18 48% 44% 43%
Speak English 100% 81% 79%
Speak Spanish 0% 8% 13%
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Demographics Quick Facts

  • The population density in Oso is 27% lower than Washington
  • The median age in Oso is 1% higher than Washington
  • In Oso 100.00% of the population is White
  • In Oso 0.00% of the population is Black
  • In Oso 0.00% of the population is Asian

Compare Oso, WA Demographics

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      Oso racial demographics

      Race Oso Washington National
      White 100.00% 77.34% 73.35%
      Black 0.00% 3.63% 12.63%
      Asian 0.00% 7.80% 5.22%
      American Indian 0.00% 1.33% 0.82%
      Native Hawaiian 0.00% 0.63% 0.18%
      Mixed race 0.00% 5.34% 3.06%
      Other race 0.00% 3.92% 4.75%
      In Oso, 0.0% 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

      Oso age breakdown

      Marital status

      Age of children in married couples

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