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/WATERTOWN

Watertown ZIP codes, Massachusetts

Watertown, MA has 3 ZIP codes (02472, 02471 and 02477) and area codes 617 and 857. The largest is 02472.

USPS city name
3 ZIP codes
Population
35,543
Area codes
617, 857

Watertown in numbers

About 35,543 people live in Watertown, in 16,371 households, the 42nd-largest of Massachusetts's 248 census places. The median household income is $126,265 a year, 21% above the Massachusetts median of $103,960 (US: $80,734). The median owner-occupied home is valued at $784,600 (40% above the Massachusetts median), and median gross rent is $2,502 a month. The median age is 39.4; 66.5% of adults 25 and over hold a bachelor's degree or higher (47.3% across Massachusetts); the average commute takes 28 minutes.

Population35,543Watertown35,543
Households16,371Watertown16,371
Median age39.4Watertown39.4Massachusetts40.0US 38.9
Median household income$126,265Watertown$126,265Massachusetts$103,960US $80,734
Median home value$784,600Watertown$784,600Massachusetts$562,100US $332,700
Median gross rent$2,502Watertown$2,502Massachusetts$1,762US $1,413
Bachelor's degree or higher66.5%Watertown66.5%Massachusetts47.3%US 35.7%
Mean commute27.6 minWatertown27.6 minMassachusetts29.1 minUS 26.4 min
Population density8,895 / sq miWatertown8,895 / sq mi

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

ZIP codes addressed as Watertown

ZIP codes with the USPS city name Watertown
ZIP City Type Population Median income Median home
02472 Watertown , MA Standard 35,620 $126,336 $784,600
02471 Watertown , MA No street area — — —
02477 Watertown , MA No street area — — —

Map of Watertown ZIP codes

024720247102477

The ZIP codes of Watertown, 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 Watertown

The nearest larger towns are Newton (89,044 people, 3.0 mi), Cambridge (118,796 people, 3.1 mi) and Arlington (46,350 people, 3.5 mi).

Towns near Watertown
TownPopulationDistance
Belmont 27,175 1.8 mi
Newton 89,044 3.0 mi
Cambridge 118,796 3.1 mi
Arlington 46,350 3.5 mi
Waltham 64,902 3.5 mi
Brookline 63,266 3.6 mi
Somerville 81,036 4.2 mi
Medford 59,354 5.1 mi
Lexington 34,295 5.9 mi
Winchester 23,406 6.0 mi
Everett 50,045 6.8 mi
Needham 32,459 6.9 mi
Wellesley 30,347 6.9 mi
Malden 65,906 7.4 mi

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

Cite this page

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

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