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Onyx CDP, CA

ZIP 93255 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Working ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 93255

93255 has a population of 739 with a median age of 57.7 yrs (38.0% male).

Race & Ethnicity
White
63.7%+3% vs US avg
x
Black
0.0%
x
Asian
7.7%+31% vs US avg
x
Hispanic
15.0%-20% vs US avg
x
Other / Two+
13.5%
x
Age Groups
0–17
0.0%
x
18–64
64.8%+5% vs US avg
x
65+
35.2%+116% vs US avg
x
Education
Less than HS
7.4%-34% vs US avg
x
High school
34.5%+32% vs US avg
x
Some college
31.2%+8% vs US avg
x
Bachelor's+
27.0%-20% vs US avg
x
Marital Status
Married
22.3%-54% vs US avg
x
Never married
41.7%+23% vs US avg
x
Divorced
18.4%+79% vs US avg
x
Widowed / Separated
17.6%
x
Diversity Index
55/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
25.9%+125% vs US avg
x
Foreign Born
0.0%
x
Veterans
7.2%+19% vs US avg
x
Disability
34.9%+161% vs US avg
x
Single Parent
0.0%
x
Recent Births
0.0%
x
Top ancestry
AmericanWelshGerman

Health & Community Indicators in 93255

Poverty Rate
25.9%+125% vs US avg
x
Veterans
7.2%+19% vs US avg
x
Foreign Born
0.0%
x
Single Parent
0.0%
x
Disability
34.9%+161% vs US avg
x
Uninsured
0.0%
x
SNAP Benefits
11.0%-6% vs US avg
x
Private School
0.0%
x
Recent Births
0.0%
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population739
Median age57.7
Poverty rate25.9%
Demographics statistics
Demographics
White63.7%
Hispanic15.0%
Black0.0%
Asian7.7%
Foreign-born0.0%