Where is Walnut, California, U.S.

Written and Fact-checked by | Updated On: March 05, 2026, 14:55 ET

Where is Walnut, California Located in the United States? - Walnut is a city located in the Los Angeles County in California, United States. Walnut lies between 34.0203 Degrees North latitudes and -117.8653 Degrees West longitudes.

Location Map of Walnut, Los Angeles, California

Where is Walnut Located in Los Angeles, California

About Map: The map shows the location of Walnut in Los Angeles County, in the U.S. state of California.

Walnut Map, California, USA

About Walnut Map: This Google Map provides a detailed view with zoom, satellite, and street options to explore the area and its surroundings.

About Walnut, Los Angeles County, California

Walnut is located in Los Angeles County in the U.S. state of California, United States. It lies in the southern part of the state in the state of the United States within the eastern San Gabriel Valley region of the Los Angeles metropolitan area. The city was incorporated in 1959 and was named after the walnut groves that once covered much of the surrounding area, and it developed from an agricultural community into a suburban residential city.

Population

According to the United States Census Bureau, the population of Walnut is 29,661 as recorded in the 2020 Census, and the population density is approximately 3,300 people per square mile.

Area and Geography

According to the United States Census Bureau, Walnut covers a total area of approximately 9.0 square miles (about 23.3 square kilometers), including about 9.0 square miles (23.3 square kilometers) of land and a minimal amount of water area.

Location and Surroundings

Walnut is situated east of Diamond Bar and west of Industry, positioned within rolling hills and residential neighborhoods of the eastern San Gabriel Valley. The city features suburban communities, nearby hills, and open space areas that reflect the region’s natural landscape. State Route 60 and nearby State Route 57 provide major transportation routes connecting Walnut to surrounding communities across Southern California.

Attractions and Recreation

Walnut offers parks, community facilities, and outdoor recreation areas that support local tourism and activities. Popular destinations include Suzanne Park, Walnut Ranch Park, and the nearby Walnut Valley community recreation areas. The city hosts community festivals, cultural celebrations, and youth sports programs throughout the year.

Transportation

Walnut is served by State Route 60 and State Route 57, offering convenient highway access throughout Los Angeles County and Southern California. Public transportation includes regional bus services connecting the city to surrounding communities and nearby transit hubs. The nearest major airport is Ontario International Airport, located approximately 20 miles to the east.

Explore more cities in California or visit the United States Map section to learn more about the country’s geography.

Sources:

Population and area data sourced from the United States Census Bureau (2020 Census). General city information referenced from the Official Walnut City Website.

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  • Walnut City Facts

    CityWalnut
    StateCalifornia
    CountyLos Angeles County
    CountryUnited States
    RegionSan Gabriel Valley
    IncorporatedJanuary 19, 1959
    Founded1890s farming community
    Total AreaApproximately 8.9 sq mi (23.1 km2)
    Land AreaApproximately 8.9 sq mi (23.1 km2)
    ElevationApproximately 561 ft (171 m)
    Population (2023 estimate)Approximately 29,000+
    Population (2020 Census)29,000
    Population DensityApproximately 3,300 people per sq mi
    Time ZonePacific Time (UTC-8 / UTC-7 DST)
    ZIP Codes91788, 91789
    Area Code909
    Major HighwaysState Route 60, State Route 57
    Public TransitFoothill Transit Bus
    Major AttractionsWalnut Ranch Park, Suzanne Park, Snow Creek Park
    Official Websitehttps://www.cityofwalnut.org/

    Distance from Walnut City, CA to Nearby Cities

    • Diamond Bar, CA – 3 miles (5 km)
    • La Puente, CA – 6 miles (10 km)
    • West Covina, CA – 7 miles (11 km)
    • Pomona, CA – 6 miles (10 km)
    • Rowland Heights, CA – 5 miles (8 km)
    • Industry, CA – 5 miles (8 km)
    • Covina, CA – 10 miles (16 km)
    • San Dimas, CA – 12 miles (19 km)
    • Glendora, CA – 14 miles (23 km)
    • Chino Hills, CA – 10 miles (16 km)
    • Ontario, CA – 15 miles (24 km)
    • Rancho Cucamonga, CA – 18 miles (29 km)
    • Anaheim, CA – 25 miles (40 km)
    • Santa Ana, CA – 30 miles (48 km)
    • Long Beach, CA – 30 miles (48 km)
    • Los Angeles, CA – 25 miles (40 km)
    • Pasadena, CA – 25 miles (40 km)
    • Riverside, CA – 35 miles (56 km)
    • San Bernardino, CA – 40 miles (64 km)
    • Corona, CA – 30 miles (48 km)

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