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/WESTMONT

Westmont ZIP codes, California

No ZIP code is named for Westmont, CA; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 90044 and 90047.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
34,123

Westmont in numbers

About 34,123 people live in Westmont, in 10,329 households. The median household income is $50,509 a year, 49% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $653,800 (11% below the California median), and median gross rent is $1,466 a month. The median age is 32.7; 12.8% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 34 minutes.

Population34,123Westmont34,123
Households10,329Westmont10,329
Median age32.7Westmont32.7California37.9US 38.9
Median household income$50,509Westmont$50,509California$99,122US $80,734
Median home value$653,800Westmont$653,800California$734,700US $332,700
Median gross rent$1,466Westmont$1,466California$2,036US $1,413
Bachelor's degree or higher12.8%Westmont12.8%California37.1%US 35.7%
Mean commute33.7 minWestmont33.7 minCalifornia28.7 minUS 26.4 min
Population density18,475 / sq miWestmont18,475 / sq mi

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

ZIP codes covering Westmont

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

ZIP codes overlapping Westmont
ZIP City Type Population Median income Median home
90044 Los Angeles , CA Standard 94,830 $53,302 $613,900
90047 Los Angeles , CA Standard 50,974 $71,664 $680,600

Map of Westmont ZIP codes

9004490047

The ZIP codes of Westmont, 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 Westmont

The nearest larger towns are Inglewood (104,569 people, 2.6 mi), Hawthorne (85,191 people, 3.2 mi) and Gardena (59,422 people, 3.3 mi).

Towns near Westmont
TownPopulationDistance
West Athens 8,726 1.3 mi
Inglewood 104,569 2.6 mi
West Rancho Dominguez 23,300 3.2 mi
Hawthorne 85,191 3.2 mi
Lennox 19,449 3.3 mi
Gardena 59,422 3.3 mi
Florence-Graham 60,690 3.8 mi
Willowbrook 21,681 4.0 mi
Alondra Park 8,373 4.1 mi
Del Aire 11,115 4.2 mi
View Park-Windsor Hills 11,230 4.5 mi
Lawndale 30,781 4.7 mi
Walnut Park 14,958 4.9 mi
Compton 92,698 5.4 mi

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

Cite this page

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

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