Diamond Bar, CA
Population 53,750 · California
About Diamond Bar, CA
Diamond Bar is a mid-sized city in California with a population of 53,750 residents. The median household income is $106,602 per year, which is above the national average. The median age in Diamond Bar is 45.6 years.
Housing in Diamond Bar has a median home value of $867,000 and median monthly rent of $2,422. Of the 19,000 total housing units, the majority are owner-occupied, with 14,120 owner-occupied and 4,118 renter-occupied units.
The unemployment rate in Diamond Bar is 5.1% and the poverty rate is 9.1%. 52.7% of residents hold a bachelor's degree or higher. The average commute time is 34.7 minutes.
Cost of Living in Diamond Bar, CA
Compared to national averages, Diamond Bar has a median household income of $106,602 (42% above the national median of $75,149). Home values average $867,000, which is 254% above the national median. Monthly rent at $2,422 is 108% above the US average of $1,163. Within California, Diamond Bar's income is 9% above the state average of $97,829, and home values are 33% above the state median of $653,874.
Why Live in Diamond Bar, CA?
Diamond Bar offers a strong local economy with a median household income of $106,602, well above the national average, and a well-educated community where 52.7% of residents hold a bachelor’s degree or higher, and a low poverty rate of 9.1%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $867,000. However, as a mid-sized city, Diamond Bar provides access to a wide range of amenities and services.
Diamond Bar has a population of 53,750 with a median age of 45.6 years. Compare Diamond Bar with other cities to see how it stacks up, or explore all cities in California.
Similar Cities Near Diamond Bar
Cities in California with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Colton | 53,798 | $69,581 | $411,100 | Compare |
| Huntington Park | 53,658 | $56,952 | $557,600 | Compare |
| Yucaipa | 54,348 | $92,401 | $466,000 | Compare |
| West Sacramento | 54,496 | $90,791 | $497,100 | Compare |
| San Jacinto | 54,756 | $78,281 | $391,600 | Compare |
| Novato | 52,689 | $112,193 | $1,007,100 | Compare |
| Beaumont | 54,817 | $105,164 | $464,000 | Compare |
| Paramount | 52,546 | $70,912 | $500,400 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in California
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Diamond Bar
What is the population of Diamond Bar, CA?
The population of Diamond Bar, CA is 53,750 according to the latest Census data.
What is the median household income in Diamond Bar?
The median household income in Diamond Bar, CA is $106,602 per year.
What is the median home value in Diamond Bar?
The median home value in Diamond Bar, CA is $867,000.
What is the average rent in Diamond Bar?
The median monthly rent in Diamond Bar, CA is $2,422.
What is the unemployment rate in Diamond Bar?
The unemployment rate in Diamond Bar, CA is 5.1%.