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Diamond Bar, California

city · Los Angeles County

At a glance

53,355
Population
$902,200
Median home value (all homes)
197% above U.S. median
$1,027,046
Typical market value
Zillow, 2026-07
$2,521/mo
Median rent
87% above U.S. median
$108,281
Median household income
38% above U.S. median
33.3 min
Average commute
96%
Homes with broadband
33.76%
Locations with fiber available
4.9%
Unemployment

Cost of living (Clay Affordability Index)

CAI 161 — 61% above the national average. how it's computed

Housing215% above
Goods & services5% above
Utilities9% below
Taxes34% below
Insurance11% below
Commute cost78% above
For business: California is CBII band 4/5 · time to build band 5/5. See state page for the breakdown.

Living here

Nearest 4-year college2 mi
Nearest community college2 mi
Nearest technical college3 mi
High school graduates92.1%
College graduates52.8%

Doing business here

Economic development contacts, most local first:

city Diamond Bar Community Development
The Diamond Bar Community Development Department is charged with developing and implementing the City’s General Plan. Among its functions is the facilitation of programs and activities that are designed to enhance business retention and attraction efforts, and provide business resources assistance for existing and potential businesses. The Community Development Department also encompasses Planning, Neighborhood Improvement, and Building and Safety.
county County of Los Angeles Economic Development
LA County's Department of Economic Opportunity (DEO) is the central economic and workforce development agency for LA County. It creates quality jobs, helps small businesses and high-road employers start and grow, and builds vibrant local communities and spaces, with a mission to foster an equitable economy with inclusive and sustainable growth.
county Greater Antelope Valley Eco Alliance
Antelope Valley Economic Development & Growth Enterprise (AV EDGE) is an organization devoted to facilitating business growth and opportunity within a 3,000 square mile region. Membership is open to all businesses, government agencies and community organizations interested in investing in the region's future.
state Governor's Office of Economic Development
The Governor’s Office of Business and Economic Development, or GO-Biz, serves as the State of California’s leader for job growth, economic development and business assistance efforts. It offers no-cost consultation to business owners for attraction, retention and expansion services, site selection, permit streamlining, clearing of regulatory hurdles, small business assistance, international trade development, assistance with state government, and more.
state Team California
TeamCalifornia is the go-to partner for businesses, site selectors, and communities looking to succeed in California. With our extensive network, we provide direct access to the best sites, accelerate speed-to-market, and give essential resources to streamline decision-making and drive growth.
State sales taxYes
State income taxYes
Right-to-work stateNo

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