Onyx, CA
Population 574 · California
About Onyx, CA
Onyx is a small community in California with a population of 574 residents. The median household income is $27,462 per year, which is below the national average. The median age in Onyx is 56.1 years.
Housing in Onyx has a median home value of $174,300 and median monthly rent of $0. Of the 408 total housing units, the majority are owner-occupied, with 245 owner-occupied and 57 renter-occupied units.
The unemployment rate in Onyx is 33.3% and the poverty rate is 33.3%. 19.0% of residents hold a bachelor's degree or higher. The average commute time is 0 minutes.
Cost of Living in Onyx, CA
Compared to national averages, Onyx has a median household income of $27,462 (63% below the national median of $75,149). Home values average $174,300, which is 29% below the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within California, Onyx's income is 72% below the state average of $97,829, and home values are 73% below the state median of $653,874.
Why Live in Onyx, CA?
Onyx offers affordable housing with a median home value of $174,300, below the US average of $244,900, and rent that’s lower than the national average at $0/month, and short commute times averaging just 0 minutes.
Potential considerations include median household income ($27,462) that falls below the national average. However, Onyx’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Onyx has a population of 574 with a median age of 56.1 years. Compare Onyx with other cities to see how it stacks up, or explore all cities in California.
Similar Cities Near Onyx
Cities in California with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| College City | 575 | $64,130 | $441,700 | Compare |
| Iron Horse | 575 | $56,066 | $195,500 | Compare |
| Happy Camp | 580 | $32,353 | $153,900 | Compare |
| Indianola | 568 | $0 | $512,500 | Compare |
| Elfin Forest | 566 | $0 | $1,496,700 | Compare |
| Scotia | 565 | $77,500 | $327,700 | Compare |
| El Nido | 564 | $56,250 | $345,500 | Compare |
| San Geronimo | 562 | $206,375 | $1,220,800 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in California
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Onyx
What is the population of Onyx, CA?
The population of Onyx, CA is 574 according to the latest Census data.
What is the median household income in Onyx?
The median household income in Onyx, CA is $27,462 per year.
What is the median home value in Onyx?
The median home value in Onyx, CA is $174,300.
What is the average rent in Onyx?
The median monthly rent in Onyx, CA is $0.
What is the unemployment rate in Onyx?
The unemployment rate in Onyx, CA is 33.3%.