Oso Flag

Oso

County Seat:
No
Area (mi²):
2.804
State:
Washington

Oso is a CDP located in Snohomish County, Washington. Oso has a 2025 population of 346. Oso is currently growing at a rate of 3.28% annually and its population has increased by 43.57% since the most recent census, which recorded a population of 241 in 2020.

The average household income in Oso is $142,306 with a poverty rate of 0%.The median age in Oso is 25.9 years: 25.5 years for males, and 40.3 years for females.

346
Total Population
123
Density (mi²)
11 3.28%
Growth

Oso Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)