Onyx is located in California. Onyx, California has a population of 661. Onyx is less family-centric than the surrounding county with 0% of the households containing married families with children. The county average for households married with children is 36.03%.
The median household income in Onyx, California is $32,318. The median household income for the surrounding county is $58,824 compared to the national median of $69,021. The median age of people living in Onyx is 55 years.
The average high temperature in July is 95.9 degrees, with an average low temperature in January of 30.5 degrees. The average rainfall is approximately 13.2 inches per year, with 2.5 inches of snow per year.
