Richmond (/ˈrɪtʃmənd/ rich-mənd) is a city in western Contra Costa CountyCaliforniaUnited States. The city was incorporated on August 7, 1905.[14] Located in the eastern region of the San Francisco Bay Area, Richmond borders the cities of San PabloAlbanyEl Cerrito and Pinole in addition to the unincorporated communities of North RichmondHasford HeightsKensingtonEl SobranteBayview-Montalvin ManorTara Hills, and East Richmond Heights, and briefly San Francisco on Red Rock Island.

Under the McLaughlin Administration, Richmond was the largest city in the United States served by a Green Party mayor.[15] As of the 2010 U.S. Census, the city's population is at 103,710.