Rio Oso Flag

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.

371
Total Population
57
Density (mi²)
1 0.27%
Growth

Rio Oso Population

Rio Oso Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

Race
Population
Percentage (of total)
White34481.71%
Asian337.84%
Two or more races337.84%
Black or African American61.43%
Other race51.19%

Rio Oso Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

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)