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/PRINCETON

Princeton ZIP code, Massachusetts

The ZIP code for Princeton, MA is 01541, and its area codes are 978 and 351.

USPS city name
1 ZIP code
Population
3,529
Area codes
978, 351

Princeton in numbers

About 3,529 people live in Princeton, in 1,330 households. The median household income is $158,750 a year, 53% above the Massachusetts median of $103,960 (US: $80,734). The median owner-occupied home is valued at $520,500 (7% below the Massachusetts median).

Population3,529Princeton3,529
Households1,330Princeton1,330
Median household income$158,750Princeton$158,750Massachusetts$103,960US $80,734
Median home value$520,500Princeton$520,500Massachusetts$562,100US $332,700

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

ZIP codes addressed as Princeton

ZIP codes with the USPS city name Princeton
ZIP City Type Population Median income Median home
01541 Princeton , MA Standard 3,529 $158,750 $520,500

Map of Princeton ZIP codes

01541

The ZIP codes of Princeton, 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 Princeton

The nearest larger towns are Leominster (43,909 people, 7.1 mi), Clinton (7,658 people, 10 mi) and Gardner (21,148 people, 11 mi).

Towns near Princeton
TownPopulationDistance
Leominster 43,909 7.1 mi
Clinton 7,658 10.1 mi
Gardner 21,148 10.6 mi
Fitchburg 41,798 10.7 mi
Worcester 207,055 13.2 mi
Baldwinville 2,528 14.6 mi
Northborough 6,392 15.3 mi
Spencer 5,661 15.4 mi
North Brookfield 2,659 16.5 mi
Hudson 15,719 16.5 mi
Ayer 3,098 16.7 mi
Winchendon 4,331 17.7 mi
Marlborough 41,647 18.3 mi
Westborough 4,699 18.5 mi

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

Cite this page

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

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