Onyx, California Population 2024

613

Onyx is a city located in Kern County California. Onyx has a 2024 population of 613. Onyx is currently declining at a rate of -2.54% annually but its population has increased by 6.42% since the most recent census, which recorded a population of 576 in 2020.

The average household income in Onyx is $36,796 with a poverty rate of 27.75%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Onyx is 54.6 years, 57.6 years for males, and 30.9 years for females.

Onyx Demographics

According to the most recent ACS, the racial composition of Onyx was:

  • White: 63.1%
  • Other race: 15.35%
  • Two or more races: 14.26%
  • Asian: 7.29%
  • Black or African American: 0%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
11.5 sq mi
Density (mi²)
53.50/sq mi
Growth Since 2020
6.42% (37)
The current population of Onyx, California is 613 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 576.

Onyx, California Population 2024

Population by Race

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Race
Population
Percentage (of total)
White40763.1%
Other race9915.35%
Two or more races9214.26%
Asian477.29%
Black or African American00%
Native American00%
Native Hawaiian or Pacific Islander00%

White

Other race

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Onyx Population by Race

Onyx Population Pyramid 2024

Onyx Median Age

54.6

Total

57.6

Male

30.9

Female

Onyx Adults

There are 645 adults, (153 of whom are seniors) in Onyx.

Onyx Age Dependency

31.1

Age Dependency Ratio

31.1

Old Age Dependency Ratio

0

Child Dependency Ratio

Onyx Sex Ratio

Female34954.11%
Male29645.89%

Onyx Population by Age

Onyx Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All3072.184.715.3
Non Family1872.1374.925.1
Male1011.741000
Female193.681000
Married0000

1.88

Average Family Size

2.1

Average Household Size

84.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Onyx Households and Families

Male

Female

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Education Attained
Count
Percentage
Less Than 9th Grade00%
9th to 12th Grade6513.03%
High School Graduate21342.69%
Some College15731.46%
Associates Degree00%
Bachelors Degree6412.83%
Graduate Degree00%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Onyx Educational Attainment by Sex (over 25)

Onyx Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White40740764
2+ Races92270

The highest rate of high school graduation is among white people with a rate of 100%.

The highest rate of bachelors degrees is among white people with a rate of 15.72%.

Onyx Educational Attainment by Race

Onyx Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Onyx Language

84.65% of Onyx residents speak only English, while 15.35% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 15.35% of the population.

Onyx Language

Onyx Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White4078320.39%
Other994949.49%
Hispanic994949.49%
Asian4747100%

27.75%

Overall Poverty Rate

28.04%

Male Poverty Rate

27.51%

Female Poverty Rate

Poverty in Onyx

The race most likely to be in poverty in Onyx is Asian, with 100% below the poverty level.

The race least likely to be in poverty in Onyx is White, with 20.39% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 0%, and for those that did not work, the poverty rate was 35.73%.

Onyx Poverty

rate

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Rate
Poverty
Some College40.13%
High School9.39%
Less Than 9th Grade0%
Bachelors or Greater0%

Onyx Poverty Rate by Education

rate

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Rate
Poverty
Male Employed0%
Male Unemployed0%
Female Employed0%
Female Unemployed0%

Onyx Poverty Rate by Employment Status and Sex

Onyx Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Households$25,982$36,796
Families-$32,938
Married Families-$-999,999,999
Non Families$33,925$37,956

mean

median

Income by Household Type

Onyx Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

0.0%

Overall Marriage Rate

0.0%

Male Marriage Rate

0.0%

Female Marriage Rate

Onyx Married by Age and Sex

male

female

Onyx Marriage

The age group where males are most likely to be married is 15-19, while the female age group most likely to be married is 15-19.

Onyx Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Onyx Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

98

Number of Veterans

98

Male Veterans

0

Female Veterans

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War
Veterans
Vietnam50
Second Gulf War48
First Gulf War0
Korea0
World War II0

Onyx Veterans by War

count

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Age Group
Veterans
65 to 7450
35 to 5448
18 to 340
55 to 640
75+0

Onyx Veterans by Age

count

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Name
Veterans
% of Total
White9824.08%

Onyx Veterans by Race

Onyx Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

48.98%

Veteran Disability Rate

Onyx Veterans by Education

LaborForceParticipation

26.8%

Labor Force Participation

16.7%

Employment Rate

37.6%

Unemployment Rate

Onyx Employment by Age

LaborForceParticipation

Onyx Employment by Race

LaborForceParticipation

Onyx Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

59.69%

Born in Onyx

92.4%

Native Born

7.6%

Foreign Born

7.6%

Non Citizen

0%

Naturalized

Place of Birth

92.4% of Onyx residents were born in the United States, with 59.69% having been born in California. 7.6% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Onyx Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2024613-16-2.54%
2023629-16-2.48%
2022645-16-2.42%
20216618514.76%
20205769820.5%
2019478-110-18.71%
2018588-33-5.31%
2017621111.8%
201661060.99%
201560450.83%
201459917842.28%
20134218525.3%
2012336181116.77%
2011155-320-67.37%
201047500%

Onyx Population by Year