Oso demographics profile

Population density (sq mi)1049791
Median age44.037.637.7
Male/Female ratio1.3:11.0:11.0:1
Married (15yrs & older)65%56%55%
Speak English100%81%79%
Speak Spanish0%8%13%
Oso, WA has a population of 293 and is the 22,622nd largest city in the United States. The population density is 104 per sq mi which is 8% higher than the Washington average and 15% higher than the national average. The median age in Oso is 44 which is approximately 17% higher than the Washington average of 38. In Oso, 65% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 56% of Oso residents were born in Washington, 39% were born out of state, 2% were born outside of the United States and 3% were foreign born.

Did you know?

  • The population density in Oso is 8% higher than Washington.
  • The median age in Oso is 17% higher than Washington.
  • In Oso 94.54% of the population is Caucasian.
  • In Oso 0.00% of the population is African American.
  • In Oso 5.46% of the population is Asian.

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Oso population breakdown by race

African American0.00%3.63%12.63%
American Indian0.00%1.33%0.82%
Native Hawaiian0.00%0.63%0.18%
Mixed race0.00%5.34%3.06%
Other race0.00%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.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Oso age breakdown

Marital status

Age of children in married couples

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