Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/CA/WALNUT-PARK

Walnut Park ZIP codes, California

No ZIP code is named for Walnut Park, CA; addresses there use a neighbouring town's name. The ZIP code covering it is 90255. Its area codes are 213, 323 and 738.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
14,958
Area codes
213, 323, 738

NANPA lists no telephone rate centre for Walnut Park itself, so these are the area codes of the nearest one, Los Angeles (1.6 miles). A town on an area-code boundary can differ from its neighbour.

Walnut Park in numbers

About 14,958 people live in Walnut Park, in 3,738 households. The median household income is $80,331 a year, 19% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $589,000 (20% below the California median), and median gross rent is $1,483 a month. The median age is 36.7; 9.7% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 33 minutes.

Population14,958Walnut Park14,958
Households3,738Walnut Park3,738
Median age36.7Walnut Park36.7California37.9US 38.9
Median household income$80,331Walnut Park$80,331California$99,122US $80,734
Median home value$589,000Walnut Park$589,000California$734,700US $332,700
Median gross rent$1,483Walnut Park$1,483California$2,036US $1,413
Bachelor's degree or higher9.7%Walnut Park9.7%California37.1%US 35.7%
Mean commute33.4 minWalnut Park33.4 minCalifornia28.7 minUS 26.4 min
Population density19,971 / sq miWalnut Park19,971 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Walnut Park CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Walnut Park

These ZIP codes cover part of Walnut Park but are addressed as somewhere else.

ZIP codes overlapping Walnut Park
ZIP City Type Population Median income Median home
90255 Huntington Park , CA Standard 69,349 $64,766 $579,700

Map of Walnut Park ZIP codes

The ZIP codes of Walnut Park, CA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Walnut Park

The nearest larger towns are Huntington Park (53,108 people, 0.8 mi), Florence-Graham (60,690 people, 1.3 mi) and Cudahy (22,087 people, 2.3 mi).

Towns near Walnut Park
TownPopulationDistance
Huntington Park 53,108 0.8 mi
Florence-Graham 60,690 1.3 mi
Cudahy 22,087 2.3 mi
South Gate 91,483 2.4 mi
Maywood 24,317 2.4 mi
Bell 32,476 2.6 mi
Lynwood 64,578 3.3 mi
Willowbrook 21,681 3.4 mi
Bell Gardens 38,229 3.9 mi
Commerce 11,993 4.5 mi
Westmont 34,123 4.9 mi
Compton 92,698 5.1 mi
West Rancho Dominguez 23,300 5.1 mi
East Rancho Dominguez 14,603 5.3 mi

More nearby: every ZIP code in Los Angeles County · California ZIP codes

Cite this page

zipcodes.pro. “Walnut Park, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/walnut-park

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