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/GREEN-KNOLL

Green Knoll ZIP codes, New Jersey

No ZIP code is named for Green Knoll, NJ; addresses there use a neighbouring town's name. The ZIP code covering it is 08807.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
6,789

Green Knoll in numbers

About 6,789 people live in Green Knoll, in 2,368 households. The median household income is $165,227 a year, 60% above the New Jersey median of $103,556 (US: $80,734). The median owner-occupied home is valued at $597,100 (31% above the New Jersey median), and median gross rent is $1,448 a month. The median age is 44.5; 58.0% of adults 25 and over hold a bachelor's degree or higher (43.6% across New Jersey); the average commute takes 29 minutes.

Population6,789Green Knoll6,789
Households2,368Green Knoll2,368
Median age44.5Green Knoll44.5New Jersey40.1US 38.9
Median household income$165,227Green Knoll$165,227New Jersey$103,556US $80,734
Median home value$597,100Green Knoll$597,100New Jersey$454,400US $332,700
Median gross rent$1,448Green Knoll$1,448New Jersey$1,720US $1,413
Bachelor's degree or higher58.0%Green Knoll58.0%New Jersey43.6%US 35.7%
Mean commute28.7 minGreen Knoll28.7 minNew Jersey30.5 minUS 26.4 min
Population density1,465 / sq miGreen Knoll1,465 / sq mi

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

ZIP codes covering Green Knoll

These ZIP codes cover part of Green Knoll but are addressed as somewhere else.

ZIP codes overlapping Green Knoll
ZIP City Type Population Median income Median home
08807 Bridgewater , NJ Standard 39,560 $168,696 $591,200

Map of Green Knoll ZIP codes

The ZIP codes of Green Knoll, 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 Green Knoll

The nearest larger towns are Martinsville (11,559 people, 2.0 mi), Somerville (13,410 people, 2.4 mi) and Raritan (8,368 people, 2.8 mi).

Towns near Green Knoll
TownPopulationDistance
Bridgewater Center 6,505 1.7 mi
Martinsville 11,559 2.0 mi
Somerville 13,410 2.4 mi
Raritan 8,368 2.8 mi
The Hills 10,785 3.4 mi
Bradley Gardens 14,165 3.4 mi
Finderne 6,489 3.7 mi
Manville 10,921 4.6 mi
Bound Brook 12,219 4.8 mi
South Bound Brook 4,867 5.8 mi
Lyons 5,187 6.3 mi
Franklin Center 6,646 6.3 mi
Middlesex 14,645 6.4 mi
Hillsborough 22,585 7.0 mi

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

Cite this page

zipcodes.pro. “Green Knoll, NJ ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nj/green-knoll

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