In 2023, Onyx, CA had a population of 574 people with a median age of 56.1 and a median household income of $27,462. Between 2022 and 2023 the population of Onyx, CA declined from 645 to 574, a −11% decrease and its median household income grew from $25,982 to $27,462, a 5.7% increase.
The 5 largest ethnic groups in Onyx, CA are White (Non-Hispanic) (53.3%), Other (Hispanic) (19.3%), Two+ (Non-Hispanic) (17.4%), Asian (Non-Hispanic) (9.93%), and White (Hispanic) (0%).
None of the households in Onyx, 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.
90.2% of the residents in Onyx, CA are U.S. citizens.
In 2023, the median property value in Onyx, CA was $174,300, and the homeownership rate was 81.1%.
Most people in Onyx, CA used a motorcycle to get to work, and the average commute time was 26.6 minutes. The average car ownership in Onyx, CA was 4 cars per household.