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/WILLOWBROOK

Willowbrook ZIP codes, California

No ZIP code is named for Willowbrook, CA; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 90059 and 90222.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
21,681

Willowbrook in numbers

About 21,681 people live in Willowbrook, in 5,914 households. The median household income is $62,582 a year, 37% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $559,200 (24% below the California median), and median gross rent is $1,570 a month. The median age is 33.5; 11.4% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 33 minutes.

Population21,681Willowbrook21,681
Households5,914Willowbrook5,914
Median age33.5Willowbrook33.5California37.9US 38.9
Median household income$62,582Willowbrook$62,582California$99,122US $80,734
Median home value$559,200Willowbrook$559,200California$734,700US $332,700
Median gross rent$1,570Willowbrook$1,570California$2,036US $1,413
Bachelor's degree or higher11.4%Willowbrook11.4%California37.1%US 35.7%
Mean commute33.1 minWillowbrook33.1 minCalifornia28.7 minUS 26.4 min
Population density12,928 / sq miWillowbrook12,928 / sq mi

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

ZIP codes covering Willowbrook

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

ZIP codes overlapping Willowbrook
ZIP City Type Population Median income Median home
90059 Los Angeles , CA Standard 37,511 $56,152 $583,900
90222 Compton , CA Standard 32,340 $78,425 $580,500

Map of Willowbrook ZIP codes

9005990222

The ZIP codes of Willowbrook, 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 Willowbrook

The nearest larger towns are Compton (92,698 people, 1.9 mi), Lynwood (64,578 people, 2.0 mi) and West Rancho Dominguez (23,300 people, 2.1 mi).

Towns near Willowbrook
TownPopulationDistance
Compton 92,698 1.9 mi
Lynwood 64,578 2.0 mi
West Rancho Dominguez 23,300 2.1 mi
East Rancho Dominguez 14,603 3.0 mi
South Gate 91,483 3.0 mi
Florence-Graham 60,690 3.3 mi
Walnut Park 14,958 3.4 mi
West Athens 8,726 3.8 mi
Westmont 34,123 4.0 mi
Huntington Park 53,108 4.2 mi
Paramount 52,050 4.3 mi
Cudahy 22,087 4.3 mi
Gardena 59,422 4.4 mi
Bell 32,476 5.2 mi

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

Cite this page

zipcodes.pro. “Willowbrook, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/willowbrook

Underlying data is public domain or openly licensed — sources, vintages and licences.