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CITY · 2010 ACS

Diamond Bar

California · 55,544 residents · 14.878 sq mi
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The short version

Diamond Bar is significantly wealthier than the US average, with a median household income of $87,216. Population has held roughly steady since 2000. 48% of adults hold a bachelor's degree or higher, well above the national rate of 28%. Median home value has more than doubled since 2000, reaching $574,900. Poverty is rare here, at 4.6% of residents. Households here earn about 43% more than the California median.

At a glance
Wealthier
above the US median
US median: $52,703
Older
median age 41.0
US median: 37.2
More educated
48% hold a bachelor's degree
US average: 28%
Less affordable
home values up 91%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
55,544
−1%since 2000
from 56,287 in 2000
1990 – 2025
Population density
3,733 / sq mi
−1%since 2000
from 3,783 / sq mi in 2000
US average: 261
Median age
41.0
+12%since 2000
from 36.5 in 2000
US average: 37.2
Population, 1990 – 2024
53K54K55K56K57K1990201020202024Diamond Bar
202453K
1990201020202024
Section 02

Income & economy

Median household income
$87,216
Unchangedinflation adjusted, since 2000
from $68,871 in 2000
US average: $52,703
1990 – 2024
Per capita income
$33,145
+30%since 2000
from $25,472 in 2000
US average: $27,286
Households earning $100K+
57.3%
−0.2 ptssince 2009
from 57.5% in 2009
US average: 33.3%
Poverty rate
4.6%
−1.4 ptssince 2000
from 6.0% in 2000
US average: 13.8%
Income inequality (Gini)
0.366
US average: 0.461
Workforce by industry, 2010
Retail trade11.2%
US avg: 10.9%
Information11.2%
US avg: 11.5%
Other services9.6%
US avg: 7%
Transportation & warehousing8.5%
US avg: 3.1%
Public administration7%
US avg: 4.9%
Finance & insurance5.1%
US avg: 5.1%
Wholesale trade3.8%
US avg: 7.2%
Professional, scientific, technical3.8%
US avg: 4.2%
Arts, entertainment, food3.1%
US avg: 2.4%
Education & health services1.3%
US avg: 0.9%
Agriculture, forestry, fishing0.5%
US avg: 1.9%
Construction0.5%
US avg: 1.4%
Manufacturing0%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$574,900
+91%inflation adjusted, since 2000
from $237,800 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$1,666
+30%inflation adjusted, since 2000
from $1,012 in 2000
US average: $853
Owner-occupied
67.5%
−15.1 ptssince 2000
from 82.6% in 2000
18.8% rent
Vacancy rate
2.9%
−0.1 ptssince 2009
from 3.0% in 2009
US average: 12.1%
Owner cost-burdened
43.4%
+1.7 ptssince 2009
from 41.7% in 2009
US average: 30.9%
Renter cost-burdened
60.5%
−1.6 ptssince 2009
from 62.1% in 2009
US average: 46.8%
Afford Score
6.6
+91%since 2000
from 3.5 in 2000
1990 – 2024
RELATED:See current rent listings in Diamond Bar on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic31%(17,471)
Black4.7%(2,624)
Hispanic / Latino18.5%(10,393)
Asian42.5%(23,922)
Other0%
Diversity Score83.1%(46,773)
2010
White, non-Hispanic21.3%(11,812)
Black4%(2,194)
Hispanic / Latino20.1%(11,138)
Asian52%(28,883)
Other2.1%(1,178)
Diversity Score79.7%(44,278)
Diversity Score
80
−4%since 2000
from 83 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
47.8%
+5.5 ptssince 2000
from 42.3% in 2000
US average: 27.9%
High school or higher
92.5%
+1.8 ptssince 2000
from 90.7% in 2000
US average: 84.9%
Graduate degree
16.5%
+3.1 ptssince 2000
from 13.4% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
34.7 min
+27%since 2000
from 27.4 min in 2000
US average: 25.2
Drive alone to work
77.9%
−2.2 ptssince 2009
from 80.2% in 2009
US average: 76.2%
Carpooled to work
12.3%
+0.6 ptssince 2009
from 11.7% in 2009
US average: 10.4%
Public transit
1.6%
−0.2 ptssince 2009
from 1.9% in 2009
US average: 4.7%
Worked from home
5.8%
+0.9 ptssince 2009
from 4.8% in 2009
US average: 4.1%
Walked to work
1.5%
+0.8 ptssince 2009
from 0.6% in 2009
US average: 2.8%
Biked to work
0.1%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.5%
No vehicle available
1.4%
−0.1 ptssince 2009
from 1.5% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
15.0%
+0.8 ptssince 2009
from 14.2% in 2009
US average: 12.9%
Management & professional
48.3%
−23.6 ptssince 2009
from 72.0% in 2009
US average: 35.2%
Section 08

People & community

Male
49.6%
+0.7 ptssince 2009
from 48.8% in 2009
Female
50.4%
−0.7 ptssince 2009
from 51.2% in 2009
Foreign born
42.0%
+0.6 ptssince 2009
from 41.4% in 2009
US average: 12.8%
Veterans
5.1%
−42.5 ptssince 2009
from 47.7% in 2009
US average: 9.9%
Drill deeper

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Compare Diamond Bar to nearby cities

DIAMOND BAR VS
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Home value$1,014,000+76%
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DIAMOND BAR VS
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Income$85,617−2%
Home value$851,300+48%
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DIAMOND BAR VS
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Home value$544,400−5%
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DIAMOND BAR VS
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Income$79,479−9%
Home value$593,800+3%
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Frequently asked

How many people live in Diamond Bar, California?

Diamond Bar, California has about 55,544 residents according to the 2010 American Community Survey.

What is the median household income in Diamond Bar, California?

The typical household in Diamond Bar, California earns about $87,216 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 $574,900, and the typical rent is about $1,666 a month.

How educated are people in Diamond Bar, California?

About 47.8% 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 4.6% 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 1,872 residents, a change of about 3 percent over that period.

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

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