United States › California › Diamond Bar CITY · 2020 ACS
Diamond Bar California · 55,072 residents · 14.9 sq mi
Time machine
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The short version
Diamond Bar is a city of 55,072 people in California. The typical home is worth $690,500, having roughly tripled since 2000. The foreign-born share is 45%. This is an unusually credentialed place: 54% of adults have a four-year degree. Median rent is $2,101 a month. The median age is 43.8, about 5 years above the US median.
At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 43.8
US median: 38.8
More educated
54% hold a bachelor's degree
US average: 33%
Less affordable
home values up 93%, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 36.5 in 2000
US average: 38.8
Population, 1990 – 2024
53K 54K 55K 56K 57K 1990 2000 2010 2020 2024 Diamond Bar Age distribution, 2020
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Section 02
Income & economy $100,723
−3%inflation adjusted, since 2000
from $68,871 in 2000
US average: $66,278
from $25,472 in 2000
US average: $35,364
Households earning $100K+
from 57.5% in 2009
US average: 43.9%
from 6.0% in 2000
US average: 12.8%
Workforce by industry, 2020
Public administration 6.4%
Transportation & warehousing 6.3%
Professional, scientific, technical 5.2%
Arts, entertainment, food 1.3%
Education & health services 1%
Agriculture, forestry, fishing 0.2%
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$690,500
+93%inflation adjusted, since 2000
from $237,800 in 2000
US average: $265,253
$2,101
+38%inflation adjusted, since 2000
from $1,012 in 2000
US average: $1,124
from 82.6% in 2000
25.8% rent
from 3.13 people in 2009
US average: 2.61
from 6.5 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 31%(17,471)
Hispanic / Latino 18.5%(10,393)
2020
White, non-Hispanic 14.7%(8,117)
Hispanic / Latino 19.6%(10,803)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 6 more hispanic origin groups with data Asian origin
+ 3 more asian origin groups with data Ancestry
+ 34 more ancestry groups with data from 42.3% in 2000
US average: 32.9%
High school or higher
from 90.7% in 2000
US average: 88.5%
from 13.4% in 2000
US average: 12.7%
Section 06
Commute & transportation from 27.4 min in 2000
US average: 26.9
from 80.2% in 2009
US average: 75.1%
from 1.5% in 2009
US average: 8.4%
Section 07
Work & employment from 6.0% in 2011
US average: 5.4%
from 64.9% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 49.2% in 2009
US average: 39.3%
Section 08
People & community from 41.4% in 2009
US average: 13.5%
from 12.3% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Men 15+
Never married 33.8%(7,320)
Women 15+
Never married 27.6%(6,520)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 12.3% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2020
Gulf War (2001 or later) 14.2%(179)
Share of the 1,264 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Diamond Bar Head to head
Compare Diamond Bar to nearby cities DIAMOND BAR VS
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DIAMOND BAR VS
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Frequently asked
How many people live in Diamond Bar, California? Diamond Bar, California has about 55,072 residents according to the 2020 American Community Survey.
What is the median household income in Diamond Bar, California? The typical household in Diamond Bar, California earns about $100,723 a year. Half of households make more than that, and half make less.
Is Diamond Bar, California expensive? In Diamond Bar, California, the median home is worth about $690,500, and the typical rent is about $2,101 a month.
How educated are people in Diamond Bar, California? About 54.0% of adults age 25 and over in Diamond Bar, California hold a bachelor's degree or higher.
What is the poverty rate in Diamond Bar, California? About 6.5% of people in Diamond Bar, California live below the federal poverty line.
Has Diamond Bar, California grown since 1990? Yes, Diamond Bar, California has grown since 1990. The population has added about 1,400 residents, a change of about 3 percent over that period.
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