Onyx, California Demographics & Population 2026
During the 2020–2024 ACS period, Onyx, California had a total population of 245, the 1345th largest community in California, with a median household income of $24,297, which is 75% lower than the state average. The poverty rate is 39.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 75% below the state average, indicating significant economic challenges.
- More than 1 in 4 residents live below the poverty line (39.6%), well above the national average of 12.4%.
- Only 0.0% of adults have a bachelor's degree, well below the national average of 35.7%.
- Unemployment rate of 42.0% is notably above the national average.
Onyx Quick Facts
How Onyx Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 574 | 245 | -57.3% |
| Median household income | $27,462 | $24,297 | -11.5% |
How Onyx Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 70 | National average: 61
Education
Educational Attainment (Adults 25+)
Onyx Rankings in California
Explore California Rankings
Other Cities in Kern County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Bakersfield | 411,986 | $80,540 | 16.3% | $371,700 |
| Delano | 51,679 | $67,010 | 16.0% | $301,900 |
| Oildale | 34,687 | $51,298 | 25.2% | $238,800 |
| East Niles | 28,532 | $55,124 | 28.7% | $251,500 |
| Ridgecrest | 28,225 | $89,250 | 12.5% | $253,900 |
| Wasco | 26,558 | $51,727 | 18.4% | $273,600 |
| Rosamond | 21,473 | $79,386 | 17.1% | $352,600 |
| Shafter | 21,193 | $71,215 | 20.7% | $335,800 |
| Arvin | 19,539 | $49,183 | 34.6% | $262,700 |
| Rosedale | 18,877 | $135,966 | 6.4% | $608,900 |
Cities Similar to Onyx
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Garden Farms | 241 | N/A | N/A | 27.6% | 37.3% |
| Albion | 250 | N/A | $578,100 | 18.8% | 39.5% |
| Lockwood (Monterey County) | 240 | N/A | N/A | 19.9% | 7.5% |
| Acampo | 234 | N/A | N/A | 21.8% | 31.2% |
| Westside | 234 | N/A | $9,999 | 0.0% | 28.6% |
A note before these figures: with a population of 245, Onyx's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Onyx is a small community located in California, within Kern County. The total population is 245. It ranks as the 1345th most populous out of 1,570 Census-designated places in California.
Age Demographics
The median age in Onyx is 22.8 years. This is 40% lower than the state median of 37.9 years.
Economy, Income & Housing
The median household income in Onyx is $24,297. This is 75% lower than the state median of $99,122. It is also 70% lower than the national median of $80,734. The poverty rate stands at 39.6%. This is 230% 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 42.0%. This is 536% higher than the state rate of 6.6%. 62.2% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 55.9%.
Race & Ethnicity
Onyx is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Asian residents account for 19.6%.
Education
0.0% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 49.0%.
Data Sources & Methodology
All demographic data for Onyx, California is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,570 Census-designated places in California. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Onyx, California?
Onyx, California has a population of 245 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Onyx, CA?
The median household income in Onyx is $24,297, which is 70% lower than the national median of $80,734.
What is the poverty rate in Onyx, CA?
The poverty rate in Onyx is 39.6%. This means approximately 97 residents live below the federal poverty line.
What is the racial makeup of Onyx, California?
Onyx's population is 0.0% White, 0.0% Black, 40.4% Hispanic/Latino, and 19.6% Asian.
What is the median home value in Onyx, CA?
The Census Bureau does not publish a reliable median home value estimate for Onyx — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Onyx, California?
0.0% of adults (25+) in Onyx hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.