');
US City Data

Onyx vs San Geronimo

Side-by-side comparison

How does Onyx, CA compare to San Geronimo, CA? Onyx has a population of 574 with a median household income of $27,462, while San Geronimo has 562 residents and a median income of $206,375. Below you'll find a detailed breakdown of demographics, economy, and housing for both cities.

Population & Demographics
MetricOnyx, CASan Geronimo, CADifference
Population574562+2.1%
Median Age56.146.4+20.9%
Foreign Born %9.8%16.5%-40.6%
Economy
MetricOnyxSan GeronimoDifference
Median Income$27,462$206,375-86.7%
Unemployment33.3%0%+3330.0%
Poverty Rate33.3%0%+3330.0%
Bachelor's+19%87.8%-78.4%
Housing
MetricOnyxSan GeronimoDifference
Home Value$174,300$1,220,800-85.7%
Median Rent$0/mo$0/mo
Housing Units408195+109.2%

Learn More

Onyx, CA ProfileSan Geronimo, CA ProfileCost of Living in CaliforniaMore ComparisonsCity Rankings