Diamond Bar city, California demographics and economy

Census American Community Survey 2023 5-Year Estimates for Diamond Bar city, California.

Population
53,750
Median HH Income
$106,602
Median Home Value
$867,000
Median Age
45.6

Workforce

Unemployment rate
5.1%
1,416 unemployed of 27,996 in labor force
Bachelor's degree or higher
34.2%
of population age 25+ (40,149 total)
Below poverty line
9.1%
4,886 of 53,607 surveyed

Housing & cost of living

Median home value
$867,000
owner-occupied housing units
Median gross rent
$2,422/mo
renter-occupied units, all bedrooms

Related resources

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Similar-sized California places

Data source: U.S. Census Bureau American Community Survey 2023 5-Year Estimates (Table B). Geography: place (incorporated city/town/CDP). Public domain (USA.gov).

Indicators: B01003 (population), B19013 (median household income), B25077 (median home value), B01002 (median age), B25064 (median gross rent), B23025 (labor force/unemployment), B15003 (educational attainment), B17001 (poverty).

Generated 2026-05-27. Census applies suppression rules to small populations; some values may be unavailable.