Walnut, California

Walnut is a city in Los Angeles County in the U.S. state of California.^[6] During the 2020 census, the city had a population of 28,430.^[4]

Walnut, California
City
View of Mt. San Antonio College and surrounding area
Location of Walnut in Los Angeles County, California
Walnut, California Location in the United States
Coordinates: 34°2′N 117°52′W
Country	United States
State	California
County	Los Angeles
Incorporated (city)	January 19, 1959[1]
Named for	Rancho Los Nogales (English: Ranch of the Walnut Trees)
Area [2]
• Total	9.00 sq mi (23.30 km2)
• Land	8.99 sq mi (23.29 km2)
• Water	0.00 sq mi (0.01 km2)  0.04%
Elevation [3]	561 ft (171 m)
Population  (2020)[4]
• Total	28,430
• Density	3,200/sq mi (1,200/km2)
Time zone	UTC-8 (PST)
• Summer (DST)	UTC-7 (PDT)
ZIP Codes	91788, 91789, 91795[5]
Area code(s)	909, 626
FIPS code	06-83332
GNIS feature IDs	1652808, 2412173
Website	www.ci.walnut.ca.us

References

1. "California Cities by Incorporation Date". California Association of Local Agency Formation Commissions. Archived from the original (Word) on November 3, 2014. Retrieved August 25, 2014.
2. "2019 U.S. Gazetteer Files". United States Census Bureau. Retrieved July 1, 2020.
3. "Walnut". Geographic Names Information System. United States Geological Survey. Retrieved February 23, 2015.
4. "QuickFacts: Walnut city, California". United States Census Bureau. Retrieved August 28, 2023.
5. "USPS - ZIP Code Lookup - Find a ZIP+ 4 Code By City Results". Retrieved January 18, 2007.
6. "About the City of Walnut". Archived from the original on June 5, 2016. Retrieved March 10, 2015.