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/SAN-LEANDRO

San Leandro ZIP codes, California

San Leandro, CA has 3 ZIP codes (94577, 94578 and 94579) and area codes 510 and 341. The largest is 94577.

USPS city name
3 ZIP codes
Overlapping the city
1 more
Population
87,826
Area codes
510, 341

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

Mail addressed to San Leandro 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.

San Leandro in numbers

About 87,826 people live in San Leandro, in 30,454 households. The median household income is $101,420 a year, about the same as the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $844,200 (15% above the California median), and median gross rent is $2,186 a month. The median age is 41.9; 33.3% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 31 minutes.

Population87,826San Leandro87,826
Households30,454San Leandro30,454
Median age41.9San Leandro41.9California37.9US 38.9
Median household income$101,420San Leandro$101,420California$99,122US $80,734
Median home value$844,200San Leandro$844,200California$734,700US $332,700
Median gross rent$2,186San Leandro$2,186California$2,036US $1,413
Bachelor's degree or higher33.3%San Leandro33.3%California37.1%US 35.7%
Mean commute31.2 minSan Leandro31.2 minCalifornia28.7 minUS 26.4 min
Population density6,592 / sq miSan Leandro6,592 / sq mi

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

ZIP codes addressed as San Leandro

ZIP codes with the USPS city name San Leandro
ZIP City Type Population Median income Median home
94577 San Leandro , CA Standard 46,317 $108,772 $856,100
94578 San Leandro , CA Standard 41,769 $94,084 $823,000
94579 San Leandro , CA Standard 20,017 $99,040 $850,300

Other ZIP codes overlapping San Leandro

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

ZIP codes overlapping San Leandro
ZIP City Type Population Median income Median home
94580 San Lorenzo , CA Standard 29,420 $110,729 $846,700

Map of San Leandro ZIP codes

945779457894579

The ZIP codes of San Leandro, 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 San Leandro

The nearest larger towns are Oakland (439,418 people, 5.7 mi), Hayward (158,801 people, 6.2 mi) and San Mateo (103,105 people, 13 mi).

Towns near San Leandro
TownPopulationDistance
San Lorenzo 29,171 2.4 mi
Ashland 22,210 2.7 mi
Cherryland 14,143 3.6 mi
Castro Valley 65,001 5.5 mi
Oakland 439,418 5.7 mi
Alameda 77,238 5.9 mi
Hayward 158,801 6.2 mi
Fairview 10,745 6.7 mi
Piedmont 10,945 9.0 mi
Moraga 16,769 10.1 mi
Union City 67,464 10.5 mi
Foster City 32,792 10.7 mi
Emeryville 13,081 12.0 mi
South San Francisco 64,305 12.1 mi

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

Cite this page

zipcodes.pro. “San Leandro, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/san-leandro

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