In 2023, Rio Oso, CA had a population of 421 people with a median age of 36.1 and a median household income of $172,500. Between 2022 and 2023 the population of Rio Oso, CA grew from 368 to 421, a 14.4% increase and its median household income declined from $174,583 to $172,500, a −1.19% decrease.
The 5 largest ethnic groups in Rio Oso, CA are White (Non-Hispanic) (81.7%), Asian (Non-Hispanic) (7.84%), Two+ (Hispanic) (4.51%), Two+ (Non-Hispanic) (3.33%), and Black or African American (Non-Hispanic) (1.19%).
None of the households in Rio Oso, CA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.5% of the residents in Rio Oso, CA are U.S. citizens.
In 2023, the median property value in Rio Oso, CA was $478,800, and the homeownership rate was 88.5%.
Most people in Rio Oso, CA drove alone to work, and the average commute time was 27.9 minutes. The average car ownership in Rio Oso, CA was 2 cars per household.