Onyx CDP, California Demographics & Population 2026

Population Overview

Onyx CDP is a small community located in California. The total population is 574. It ranks as the 1190th most populous out of 1,577 cities and towns in California.

Age Demographics

The median age in Onyx CDP is 56.1 years. This is 49% higher than the state median of 37.6 years. Only 0.0% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Onyx CDP is $27,462. This is 71% lower than the state median of $96,334. Compared to the national median of $78,538, household income here is 65% lower. The poverty rate stands at 33.3%. This is 178% higher than the state poverty rate of 12.0%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 33.3%. This is 419% higher than the state rate of 6.4%. The median home value is $174,300. Housing costs are 75% lower than the state median of $695,400. The home-value-to-income ratio of 6.3x suggests that housing affordability is a significant concern for many residents. 81.1% of occupied housing units are owner-occupied. This homeownership rate is 45% higher than the state average of 55.8%.

Race & Ethnicity

The largest racial or ethnic group in Onyx CDP is White (non-Hispanic), making up 53.3% of the population. Hispanic or Latino residents account for 19.3%. The White (non-Hispanic) population is significantly higher than the state average (53.3% vs 34.6%). The Hispanic or Latino population (19.3%) is well below the state average of 39.8%.

Education

19.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 48% lower than the state rate of 36.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.7%.

Data Sources & Methodology

All demographic data for Onyx CDP, California is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,577 Census-designated places in California. For official data, visit data.census.gov.