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/ALAMEDA

Alameda ZIP codes, California

Alameda, CA has 2 ZIP codes (94501 and 94502) and area codes 510 and 341. The largest is 94501.

USPS city name
2 ZIP codes
Overlapping the city
1 more
Population
77,238
Area codes
510, 341

NANPA lists no telephone rate centre for Alameda itself, so these are the area codes of the nearest one, Oakland (1.8 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Alameda uses the ZIP codes above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Alameda in numbers

About 77,238 people live in Alameda, in 29,988 households. The median household income is $137,697 a year, 39% above the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $1,235,700 (68% above the California median), and median gross rent is $2,474 a month. The median age is 41.0; 61.5% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 32 minutes.

Population77,238Alameda77,238
Households29,988Alameda29,988
Median age41.0Alameda41.0California37.9US 38.9
Median household income$137,697Alameda$137,697California$99,122US $80,734
Median home value$1,235,700Alameda$1,235,700California$734,700US $332,700
Median gross rent$2,474Alameda$2,474California$2,036US $1,413
Bachelor's degree or higher61.5%Alameda61.5%California37.1%US 35.7%
Mean commute31.6 minAlameda31.6 minCalifornia28.7 minUS 26.4 min
Population density7,427 / sq miAlameda7,427 / sq mi

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

ZIP codes addressed as Alameda

ZIP codes with the USPS city name Alameda
ZIP City Type Population Median income Median home
94501 Alameda , CA Standard 63,808 $127,906 $1,250,300
94502 Alameda , CA Standard 13,430 $180,938 $1,204,200

Other ZIP codes overlapping Alameda

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

ZIP codes overlapping Alameda
ZIP City Type Population Median income Median home
94621 Oakland , CA Standard 33,840 $52,049 $543,700

Map of Alameda ZIP codes

9450194502

The ZIP codes of Alameda, 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 Alameda

The nearest larger towns are Oakland (439,418 people, 2.7 mi), San Leandro (87,826 people, 5.9 mi) and Berkeley (120,257 people, 8.8 mi).

Towns near Alameda
TownPopulationDistance
Oakland 439,418 2.7 mi
Piedmont 10,945 5.8 mi
San Leandro 87,826 5.9 mi
Emeryville 13,081 7.1 mi
Brisbane 4,692 8.1 mi
San Lorenzo 29,171 8.2 mi
Ashland 22,210 8.5 mi
South San Francisco 64,305 8.7 mi
Berkeley 120,257 8.8 mi
Cherryland 14,143 9.6 mi
Moraga 16,769 10.4 mi
Albany 19,414 10.8 mi
Orinda 19,514 10.9 mi
Castro Valley 65,001 11.0 mi

More nearby: every ZIP code in Alameda County · California ZIP codes

Cite this page

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

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