Walnut is a city in the eastern part of Los Angeles County in the U.S. state of California. According to the 2010 census, the city had a population of 29,172, and the population was estimated to be 29,685 in 2019.
Country: United States
State: California
County: Los Angeles
Elevation: 561 ft (171 m)
Area code(s): 909, 626
Incorporated (city): January 19, 1959
Named for: Rancho Los Nogales · (lit. 'Ranch of the Walnut Trees')
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