Rio Oso is located in California. Rio Oso, California has a population of 365. Rio Oso is less family-centric than the surrounding county with 28% households with children. The county percentage for households with children is 36%.
The median household income in Rio Oso, California is $83,728. The median household income for the surrounding county is $58,473 compared to the national median of $61,963. The median age of people living in Rio Oso is 43.4 years.
The average high temperature in July is 95.07 degrees, with an average low temperature in January of 37.69 degrees. The annual precipitation is 19.77.