What county is Diamond Bar CA in

Diamond Bar city is located Los Angeles County.

The town of Diamond Bar is in the U.S. state of California and Los Angeles County.

The town of Diamond Bar covers 38.23 km2, has 55,544 inhabitants (census 2010) and a density of 1,452.89 inhabitants per km2. The average altitude is 212 m.
The current warden of Diamond Bar is Ling-Ling Chang.

Is Diamond Bar a wealthy area?
Is Diamond Bar CA A good place to live?
Is Duarte in LA County?
Is Diamond Bar a nice area?