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Onyx is located in California. Onyx, California has a population of 425. Onyx is less family-centric than the surrounding county with 17% of the households containing married families with children. The county average for households married with children is 39%.
The median household income in Onyx, CA is $30,088. The median household income for the surrounding county is $53,516 compared to the national median of $61,963. The median age of people living in Onyx is 59 years old.Learn more about Real Estate.