Rio Oso, CA
Population 421 · California
About Rio Oso, CA
Rio Oso is a small community in California with a population of 421 residents. The median household income is $172,500 per year, which is above the national average. The median age in Rio Oso is 36.1 years.
Housing in Rio Oso has a median home value of $478,800 and median monthly rent of $0. Of the 141 total housing units, the majority are owner-occupied, with 108 owner-occupied and 14 renter-occupied units.
The unemployment rate in Rio Oso is 4.5% and the poverty rate is 3.8%. 23.4% of residents hold a bachelor's degree or higher. The average commute time is 27.9 minutes.
Cost of Living in Rio Oso, CA
Compared to national averages, Rio Oso has a median household income of $172,500 (130% above the national median of $75,149). Home values average $478,800, which is 96% above the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within California, Rio Oso's income is 76% above the state average of $97,829, and home values are 27% below the state median of $653,874.
Why Live in Rio Oso, CA?
Rio Oso offers a strong local economy with a median household income of $172,500, well above the national average, and rent that’s lower than the national average at $0/month, and a low poverty rate of 3.8%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $478,800. However, Rio Oso’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Rio Oso has a population of 421 with a median age of 36.1 years. Compare Rio Oso with other cities to see how it stacks up, or explore all cities in California.
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Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Rio Oso
What is the population of Rio Oso, CA?
The population of Rio Oso, CA is 421 according to the latest Census data.
What is the median household income in Rio Oso?
The median household income in Rio Oso, CA is $172,500 per year.
What is the median home value in Rio Oso?
The median home value in Rio Oso, CA is $478,800.
What is the average rent in Rio Oso?
The median monthly rent in Rio Oso, CA is $0.
What is the unemployment rate in Rio Oso?
The unemployment rate in Rio Oso, CA is 4.5%.