Diamond Bar demographics profile

StatisticDiamond BarCaliforniaNational
Population density (sq mi)3,79423291
Median age42.236.037.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)59%52%55%
Families w/ Kids under 1838%46%43%
Speak English42%56%79%
Speak Spanish10%29%13%
Diamond Bar, CA has a population of 56,456 and is the 705th largest city in the United States. The population density is 3,794 per sq mi which is 1533% higher than the California average and 4088% higher than the national average. The median age in Diamond Bar is 42 which is approximately 17% higher than the California average of 36. In Diamond Bar, 59% of the population over 15 years of age are married, 42% speak English and 10% speak Spanish. 45% of Diamond Bar residents were born in California, 10% were born out of state, 1% were born outside of the United States and 43% were foreign born.
For Sale
For Rent

Find real estate listings

Find rental listings

Did you know?

  • The population density in Diamond Bar is 1533% higher than California.
  • The median age in Diamond Bar is 17% higher than California.
  • In Diamond Bar 28.71% of the population is White.
  • In Diamond Bar 4.14% of the population is Black or African American.
  • In Diamond Bar 53.19% of the population is Asian.

Compare Diamond Bar, CA Demographics To Other Cities

Diamond Bar population breakdown by race

RaceDiamond BarCaliforniaNational
Black or African American4.14%5.85%12.63%
American Indian0.63%0.74%0.82%
Native Hawaiian0.94%0.39%0.18%
Mixed race3.95%4.62%3.06%
Other race8.45%13.28%4.75%
In Diamond Bar, 19.5% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Diamond Bar age breakdown

Marital status

Age of children in married couples

Source: The Diamond Bar, CA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
Are you looking to buy or sell?
What style of home are you
What is your
When are you looking to
ASAP1-3 mos.3-6 mos.6-9 mos.1 yr+
Connect with top real estate agents
By submitting this form, you consent to receive text messages, emails, and/or calls (may be recorded; and may be direct, autodialed or use pre-recorded/artificial voices even if on the Do Not Call list) from AreaVibes or our partner real estate professionals and their network of service providers, about your inquiry or the home purchase/rental process. Messaging and/or data rates may apply. Consent is not a requirement or condition to receive real estate services. You hereby further confirm that checking this box creates an electronic signature with the same effect as a handwritten signature.