Oso

County:: Snohomish County
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.

Demographics

The racial composition of Oso includes 72.25% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	289	72.25%
Two or more races	111	27.75%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Oso Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Oso's average per capita income is $57,618. Household income levels show a median of $136,735. The poverty rate stands at 0%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$161,583	-
Households	$136,735	$142,306
Families	$136,735	$142,306
Non Families	-	-

$57,618

Average Income

$136,735

Median Household Income

0%

Poverty Rate

Oso

Oso Population