93255 ZIP Code — Onyx, CA

Kern County, California

ZIP code 93255 is located in Onyx, California, within Kern County. It covers approximately 237.96 square miles and serves a population of 872 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 559.

About ZIP code 93255

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $134,000. Owner-occupancy is high at 89%, well above the national average.

Median household income is $29,974. Poverty affects 21% of residents, above the national average. SNAP benefit usage at 24% of households reflects economic stress in the area. 73% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is sales and office, with education and healthcare as the leading industry.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of diabetes (16%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 17% of civilians, above the national average of 7%; and disability rates above the national average at 48%.

Overall, ZIP code 93255 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a strong veteran community, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

872

population

237.96

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

93255 ZIP code map

Cities in ZIP code 93255

Below are the cities the US Postal Service accepts for ZIP code 93255. Using any city not on this list may result in mail delivery delays.

City	Status
Onyx	Preferred

Nearby ZIP codes

93283 Weldon (9.7 mi) 93527 Inyokern (10.9 mi) 93238 Kernville (15.6 mi) 93240 Lake Isabella (17.2 mi)

Demographics updated 05/2026

Population
Total population	872
Population density	4 / sq mi
State FIPS	06
County FIPS	029

Geography
Land area	237.96 sq mi
Water area	0.05 sq mi
Latitude	35.6424
Longitude	-118.1162
Timezone	Pacific (PT)
Area code	559

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	71.9%	45.9%	32.6%
$50k – $100k	17.1%	29.9%	27.7%
$100k – $200k	11.0%	19.5%	26.4%
Over $200k	0.0%	4.6%	13.3%

Demographics & statistics

872

Population

People per sq mi

58.0

Median age

$29,974

Median household income

$23,224

Per capita income

$134,000

Median home value

Median monthly rent

88.8%

Home ownership

20.5%

Poverty rate

31.7%

Unemployment

521

Housing units

18.0%

Bachelor's or higher

Age distribution

Male Female

20–24

25–34

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	0	0.0%
18 and over	872	100.0%
65 and over	318	36.5%
Median age	58.0 years

Race & ethnicity

White 65.3%

Hispanic or Latino 10.2%

Other race 10.2%

Two or more races 9.5%

Asian 4.8%

Group	Count	%
White	634	65.3%
Hispanic or Latino	99	10.2%
Other race	99	10.2%
Two or more races	92	9.5%
Asian	47	4.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	71.9%	45.9%	32.6%
$50k – $100k	17.1%	29.9%	27.7%
$100k – $200k	11.0%	19.5%	26.4%
Over $200k	0.0%	4.6%	13.3%

$15k–$25k 35.3%

$25k–$35k 28.4%

$50k–$75k 16.5%

$75k–$100k 12.6%

$150k–$200k 7.2%

Range	% of households
$15k–$25k	35.3%
$25k–$35k	28.4%
$50k–$75k	16.5%
$75k–$100k	12.6%
$150k–$200k	7.2%
Median income	$29,974

Housing

Home values

Under $50k 17.5%

$50k–$100k 27.7%

$100k–$150k 13.4%

$150k–$200k 15.3%

$200k–$300k 12.9%

$300k–$500k 8.1%

$1M+ 5.1%

Housing overview

Metric	Value
Median home value	$134,000
Median rent / month	$0
Owner occupied	88.8%
Renter occupied	11.2%
Vacant	26.2%
Single-family detached	39.8%
Large apartment buildings	8.3%
Mobile homes	51.9%
Median rooms	5.7
Avg household size (owned)	1.95

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	5.3%
1990–1999	8.5%
1980–1989	16.7%
1970–1979	48.9%
1960–1969	13.9%
1950–1959	0.0%
1940–1949	3.3%
1939 or earlier	3.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	26.4%
2 bedrooms	32.2%
3 bedrooms	32.9%
4 bedrooms	8.5%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	9.1%
1 vehicle	18.9%
2 vehicles	45.6%
3 or more	26.5%

Heating fuel

Fuel type	%
Electricity	48.2%
Propane / LP gas	20.3%
Wood	31.5%

Households & families

Household type	Count	%
Married-couple family	112	26.7%
Cohabiting couple	69	16.5%
Male householder, no spouse	115	27.4%
Female householder, no spouse	123	29.4%
Households with children under 18	0	0.0%
Households with seniors (65+)	184	43.9%
Average household size	2.08

Marital status

Status	Male	Female
Never married	19.3%	50.5%
Married	27.6%	24.6%
Separated	0.0%	4.1%
Widowed	24.2%	4.1%
Divorced	28.9%	16.6%

Education

Less than 9th grade 0.0%

Some HS, no diploma 9.0%

HS graduate 47.2%

Some college, no degree 25.8%

Associate's degree 0.0%

Bachelor's degree 13.4%

Graduate / professional 4.7%

Metric	%
HS diploma or higher	91.0%
Bachelor's or higher	18.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	50	51.5%
College / grad school	47	48.5%

Employment

Industry of employment

Education & healthcare 77.1%

Agriculture & mining 22.9%

Occupation

Category	%
Management, business & arts	22.9%
Service	22.1%
Sales & office	55.0%
Natural resources & construction	0.0%
Production & transportation	0.0%

Employment type

Type	%
Private sector	57.9%
Government	19.3%
Self-employed	22.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	41.4%
Carpool	22.9%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	35.7%
Avg commute (minutes)	0.0

Poverty

All people 20.5%

Under 18 years 0.0%

18 and over 20.5%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	73.0%
Retirement income	34.8%
Supplemental Security	37.7%
Cash public assistance	0.0%
Food stamps / SNAP	24.1%

Health indicators

Condition	%
Obesity	35.1%
High blood pressure	42.7%
High cholesterol	41.6%
Diabetes	16.2%
Heart disease	11.6%
Stroke	5.6%
Asthma	11.2%
Arthritis	35.6%
Kidney disease	4.9%
Pulmonary disease	13.6%
Cancer	9.8%

Behavior / access	%
Smoking	17.3%
Binge drinking	13.4%
No physical activity	26.7%
Less than 7 hrs sleep	32.7%
Depression	20.4%
Fair or poor health	23.2%
Poor mental health	15.5%
Poor physical health	16.6%
No health insurance	9.8%
Visited doctor (checkup)	75.5%
Visited dentist	58.8%
Cholesterol screening	93.5%
Teeth loss	17.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	146	16.7%

Disability	%
Any disability	47.8%
Under 18	0.0%
18–64 years	45.1%
65 and over	52.5%

Health insurance coverage

Type	%
Private insurance	31.7%
Public insurance	81.4%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	872	100.0%
Spanish	49	5.6%
Other Indo-European	49	5.6%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	823	94.4%
Born in same state	823	94.4%
Born in different state	564	64.7%
Foreign born	0	0.0%
Naturalized citizen	49	5.6%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	219	25.1%
French	81	9.3%

Ancestry	Count	%
Italian	64	7.3%
English	30	3.4%

Technology access

Metric	% of households
Computer access	48.1%
Internet access	83.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 93255

What city is ZIP code 93255 in?

ZIP code 93255 is primarily assigned to Onyx, California.

What county is ZIP code 93255 in?

ZIP code 93255 falls within Kern County, California.

Does ZIP code 93255 have a large retiree population?

73% of households in ZIP code 93255 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 93255 have an older population?

37% of residents in ZIP code 93255 are 65 or older, above the national average of ~17%.

Is ZIP code 93255 mostly owner-occupied?

89% of occupied units in ZIP code 93255 are owner-occupied, well above the national average.

What is the poverty rate in ZIP code 93255?

21% of residents in ZIP code 93255 live below the poverty line, above the national average.

What timezone is ZIP code 93255 in?

ZIP code 93255 observes the PST timezone.