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/MA/HARVARD

Harvard ZIP code, Massachusetts

The ZIP code for Harvard, MA is 01451, and its area codes are 351 and 978.

USPS city name
1 ZIP code
Population
5,487
Area codes
351, 978

Harvard in numbers

About 5,487 people live in Harvard, in 1,900 households. The median household income is $214,792 a year, 2.1 times the Massachusetts median of $103,960 (US: $80,734). The median owner-occupied home is valued at $856,200 (52% above the Massachusetts median).

Population5,487Harvard5,487
Households1,900Harvard1,900
Median household income$214,792Harvard$214,792Massachusetts$103,960US $80,734
Median home value$856,200Harvard$856,200Massachusetts$562,100US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Harvard. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Harvard

ZIP codes with the USPS city name Harvard
ZIP City Type Population Median income Median home
01451 Harvard , MA Standard 5,487 $214,792 $856,200

Map of Harvard ZIP codes

01451

The ZIP codes of Harvard, MA, 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 Harvard

The nearest larger towns are Hudson (15,719 people, 7.6 mi), Maynard (10,712 people, 7.8 mi) and Clinton (7,658 people, 8.3 mi).

Towns near Harvard
TownPopulationDistance
Ayer 3,098 4.3 mi
Littleton Common 3,289 5.4 mi
Hudson 15,719 7.6 mi
Maynard 10,712 7.8 mi
Clinton 7,658 8.3 mi
West Concord 5,876 9.1 mi
Leominster 43,909 10.4 mi
Marlborough 41,647 10.6 mi
Northborough 6,392 13.7 mi
Fitchburg 41,798 14.4 mi
Framingham 72,399 15.0 mi
Lowell 118,368 15.7 mi
Cordaville 2,989 16.0 mi
Cochituate 6,471 16.3 mi

More nearby: every ZIP code in Worcester County · Massachusetts ZIP codes

Cite this page

zipcodes.pro. “Harvard, MA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ma/harvard

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