Diamond Bar, California

Quick Statistics

Diamond Bar is a community in Los Angeles County, California, home to about 53,355 people spread across 14.9 square miles of land. The median personal income here is $45,506 a year, and a typical home is worth about $902,200. About 61.6% of adults hold a college degree, and 91.2% of residents under 65 have health insurance. The population has shrunk about 4 percent over the past decade.

See how Diamond Bar has changed over the past 15 years »

53,355
Total Population
▼ down 4% since 2012
More Demographics
14.88 sq. mi.
Total Land Area
More Geography
$45,506
Median Personal Income
More Jobs & Business
$902,200
Median Home Value
More Real Estate
61.6%
College Educated
More Education
91.2%
Have Health Insurance
▲ up 17.1 points since 2010
More Health & Safety

Among the California towns GeoStat tracks, Diamond Bar ranks number 174 of 1,570 in population, number 460 in median household income, number 321 in median home value. See how it stacks up on the trends page or compare it with another town.

Summers around Diamond Bar typically top out near 87°F in July, while January nights average about 45°F. Full normals are on the climate page.

Towns Near Diamond Bar
# Town Distance Population
1.Walnut, CA3.3 mi.27,611
2.Rowland Heights, CA4.7 mi.45,911
3.South San Jose Hills, CA5.0 mi.16,911
4.Pomona, CA5.1 mi.147,943
5.Brea, CA5.9 mi.47,469
6.West Covina, CA6.5 mi.107,037
7.Chino Hills, CA6.6 mi.77,927
8.Valinda, CA7.0 mi.20,962
Frequently Asked Questions About Diamond Bar

What is the population of Diamond Bar, California?
Diamond Bar has a population of about 53,355 people, according to the latest Census Bureau estimates.

What county is Diamond Bar, California in?
Diamond Bar is located in Los Angeles County, California.

What is the median home value in Diamond Bar, California?
The median home value in Diamond Bar is about $902,200, based on American Community Survey data.

What is the median income in Diamond Bar, California?
The median personal income in Diamond Bar is about $45,506 per year.

How many tornadoes have hit near Diamond Bar, California?
Since 1950, 48 tornadoes have been recorded in Los Angeles County. See the tornado page for maps and details of each one.

What is the weather like in Diamond Bar, California?
Typical July highs run about 87 degrees and January lows about 45 degrees. Figures are 30-year NOAA climate normals.

Use the menu on the left to find more detailed statistics on Diamond Bar, California.