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/NJ/WILLIAMSTOWN

Williamstown ZIP code, New Jersey

The ZIP code for Williamstown, NJ is 08094, and its area code is 856.

USPS city name
1 ZIP code
Population
14,705
Area code
856

Williamstown in numbers

About 14,705 people live in Williamstown, in 5,775 households. The median household income is $89,414 a year, 14% below the New Jersey median of $103,556 (US: $80,734). The median owner-occupied home is valued at $278,600 (39% below the New Jersey median), and median gross rent is $1,266 a month. The median age is 42.7; 29.6% of adults 25 and over hold a bachelor's degree or higher (43.6% across New Jersey); the average commute takes 32 minutes.

Population14,705Williamstown14,705
Households5,775Williamstown5,775
Median age42.7Williamstown42.7New Jersey40.1US 38.9
Median household income$89,414Williamstown$89,414New Jersey$103,556US $80,734
Median home value$278,600Williamstown$278,600New Jersey$454,400US $332,700
Median gross rent$1,266Williamstown$1,266New Jersey$1,720US $1,413
Bachelor's degree or higher29.6%Williamstown29.6%New Jersey43.6%US 35.7%
Mean commute31.9 minWilliamstown31.9 minNew Jersey30.5 minUS 26.4 min
Population density1,982 / sq miWilliamstown1,982 / sq mi

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

ZIP codes addressed as Williamstown

ZIP codes with the USPS city name Williamstown
ZIP City Type Population Median income Median home
08094 Williamstown , NJ Standard 41,595 $96,699 $276,100

Map of Williamstown ZIP codes

08094

The ZIP codes of Williamstown, NJ, 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 Williamstown

The nearest larger towns are Sicklerville (44,998 people, 4.2 mi), Glassboro (23,717 people, 7.7 mi) and Lindenwold (21,719 people, 9.4 mi).

Towns near Williamstown
TownPopulationDistance
Sicklerville 44,998 4.2 mi
Clayton 8,921 5.8 mi
Pine Hill 10,802 7.0 mi
Turnersville 3,136 7.5 mi
Berlin 7,539 7.6 mi
Glassboro 23,717 7.7 mi
Atco 8,164 8.2 mi
Clementon 5,410 8.2 mi
Pitman 8,856 9.2 mi
Lindenwold 21,719 9.4 mi
Blackwood 4,443 9.4 mi
Stratford 7,018 10.3 mi
Buena 4,520 10.8 mi
Hammonton 14,840 10.8 mi

More nearby: every ZIP code in Gloucester County · New Jersey ZIP codes

Cite this page

zipcodes.pro. “Williamstown, NJ ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nj/williamstown

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