Rio Oso

County:: Sutter County
County Seat:: No
Area (mi²):: 6.5
State:: California

Rio Oso is a CDP located in Sutter County, California. Rio Oso has a 2025 population of 371. Rio Oso is currently growing at a rate of 0.27% annually but its population has decreased by -10.39% since the most recent census, which recorded a population of 414 in 2020.

The average household income in Rio Oso is $166,982 with a poverty rate of 3.8%. The median age in Rio Oso is 36.1 years: 40.4 years for males, and 31.3 years for females.

Demographics

The racial composition of Rio Oso includes 81.71% White, 7.84% Asian, and smaller percentages for Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	344	81.71%
Asian	33	7.84%
Two or more races	33	7.84%
Black or African American	6	1.43%
Other race	5	1.19%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Rio Oso Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rio Oso's average per capita income is $93,750. Household income levels show a median of $172,500. The poverty rate stands at 3.8%.

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
Households	$172,500	$166,982
Families	$172,083	$181,991
Married Families	$166,964	-
Non Families	-	$38,076

$93,750

Average Income

$172,500

Median Household Income

3.8%

Poverty Rate