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CITY · 2020 ACS

Onyx

California · 457 residents · 11.451 sq mi
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The short version

Onyx has notably lower household income than the US average, with a median household income of $45,391. Population has declined 4% since 2000. 21% of adults hold a bachelor's degree or higher, below the national rate of 33%. Median home value has more than tripled since 2000, reaching $134,100. With a median age of 54.9, the population is older than the US median of 38.8. Households here earn about 42% less than the California median.

At a glance
Lower income
below the US median
US median: $66,278
Older
median age 54.9
US median: 38.8
Less educated
21% hold a bachelor's degree
US average: 33%
Less affordable
home values up 138%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
457
−4%since 2000
from 476 in 2000
2000 – 2024
Population density
40 / sq mi
−4%since 2000
from 42 / sq mi in 2000
US average: 280
Median age
54.9
+16%since 2000
from 47.3 in 2000
US average: 38.8
Population, 2000 – 2024
1042564085607122000201020202024Onyx
2024245
2000201020202024
Section 02

Income & economy

Median household income
$45,391
+88%inflation adjusted, since 2000
from $16,058 in 2000
US average: $66,278
2000 – 2024
Per capita income
$31,597
+237%since 2000
from $9,370 in 2000
US average: $35,364
Households earning $100K+
23.6%
+10.1 ptssince 2009
from 13.5% in 2009
US average: 43.9%
Poverty rate
26.0%
−8.6 ptssince 2000
from 34.7% in 2000
US average: 12.8%
Workforce by industry, 2020
Wholesale trade34.5%
US avg: 6.7%
Agriculture, forestry, fishing0%
US avg: 1.7%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
Retail trade0%
US avg: 10%
Transportation & warehousing0%
US avg: 2.5%
Information0%
US avg: 11.1%
Finance & insurance0%
US avg: 5.5%
Professional, scientific, technical0%
US avg: 4.7%
Education & health services0%
US avg: 0.8%
Arts, entertainment, food0%
US avg: 2%
Other services0%
US avg: 6.6%
Public administration0%
US avg: 4.7%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$134,100
+138%inflation adjusted, since 2000
from $37,500 in 2000
US average: $265,253
2000 – 2023
Owner-occupied
65.4%
−11.7 ptssince 2000
from 77.2% in 2000
34.6% rent
Afford Score
3.0
+27%since 2000
from 2.3 in 2000
2000 – 2023
RELATED:See current rent listings in Onyx on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic89.3%(425)
Black0%(0)
Hispanic / Latino4.6%(22)
Asian0%(0)
Other0%
Diversity Score11.7%(56)
2020
White, non-Hispanic74.2%(339)
Black0%(0)
Hispanic / Latino13.3%(61)
Asian0%(0)
Other2.1%(10)
Diversity Score36.5%(167)
Diversity Score
37
+212%since 2000
from 12 in 2000
2000 – 2024
Section 05

Education

Bachelor's degree or higher
21.3%
+17.1 ptssince 2000
from 4.2% in 2000
US average: 32.9%
High school or higher
97.3%
+35.0 ptssince 2000
from 62.3% in 2000
US average: 88.5%
Graduate degree
9.9%
+9.9 ptssince 2000
from 0.0% in 2000
US average: 12.7%
Section 06

Commute & transportation

Drive alone to work
65.5%
+32.6 ptssince 2009
from 32.9% in 2009
US average: 75.1%
No vehicle available
11.3%
+11.3 ptssince 2009
from 0.0% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
0.0%
Unchangedsince 2011
from 0.0% in 2011
US average: 5.4%
Labor force participation
26.0%
−21.1 ptssince 2011
from 47.1% in 2011
US average: 63.4%
Management & professional
37.9%
+11.1 ptssince 2009
from 26.8% in 2009
US average: 39.3%
Section 08

People & community

Male
56.1%
+0.9 ptssince 2009
from 55.1% in 2009
Female
43.9%
−0.9 ptssince 2009
from 44.9% in 2009
Foreign born
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 13.5%
Uninsured
8.7%
−70.9 ptssince 2013
from 79.6% in 2013
US average: 8.8%
Drill deeper

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Frequently asked

How many people live in Onyx, California?

Onyx, California has about 457 residents according to the 2020 American Community Survey.

What is the median household income in Onyx, California?

The typical household in Onyx, California earns about $45,391 a year. Half of households make more than that, and half make less.

Is Onyx, California expensive?

In Onyx, California, the median home is worth about $134,100.

How educated are people in Onyx, California?

About 21.3% of adults age 25 and over in Onyx, California hold a bachelor's degree or higher.

What is the poverty rate in Onyx, California?

About 26.0% of people in Onyx, California live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →