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/NY/COMMACK

Commack ZIP code, New York

The ZIP code for Commack, NY is 11725, and its area codes are 631 and 934.

USPS city name
1 ZIP code
Overlapping the city
5 more
Population
36,558
Area codes
631, 934

Mail addressed to Commack uses the ZIP code above. 5 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Commack in numbers

About 36,558 people live in Commack, in 11,640 households, the 32nd-largest of New York's 1,290 census places. The median household income is $169,792 a year, 97% above the New York median of $85,974 (US: $80,734). The median owner-occupied home is valued at $678,200 (60% above the New York median), and median gross rent is $2,665 a month. The median age is 42.3; 60.0% of adults 25 and over hold a bachelor's degree or higher (40.2% across New York); the average commute takes 33 minutes.

Population36,558Commack36,558
Households11,640Commack11,640
Median age42.3Commack42.3New York39.8US 38.9
Median household income$169,792Commack$169,792New York$85,974US $80,734
Median home value$678,200Commack$678,200New York$423,800US $332,700
Median gross rent$2,665Commack$2,665New York$1,621US $1,413
Bachelor's degree or higher60.0%Commack60.0%New York40.2%US 35.7%
Mean commute33.1 minCommack33.1 minNew York32.6 minUS 26.4 min
Population density2,985 / sq miCommack2,985 / sq mi

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

ZIP codes addressed as Commack

ZIP codes with the USPS city name Commack
ZIP City Type Population Median income Median home
11725 Commack , NY Standard 29,073 $168,281 $670,000

Other ZIP codes overlapping Commack

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

ZIP codes overlapping Commack
ZIP City Type Population Median income Median home
11717 Brentwood , NY Standard — — —
11731 East Northport , NY Standard 29,999 $161,132 $646,600
11754 Kings Park , NY Standard 17,565 $123,393 $624,700
11787 Smithtown , NY Standard 34,499 $143,101 $679,800
11788 Hauppauge , NY Standard 17,374 $149,726 $653,900

Map of Commack ZIP codes

The ZIP codes of Commack, NY, 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 Commack

The nearest larger towns are Brentwood (152,614 people, 4.4 mi), Central Islip (38,373 people, 6.2 mi) and Wyandanch (67,937 people, 7.7 mi).

Towns near Commack
TownPopulationDistance
Elwood 11,762 2.9 mi
East Northport 19,700 3.2 mi
Kings Park 16,516 3.6 mi
Smithtown 24,375 3.6 mi
Dix Hills 24,773 4.0 mi
Hauppauge 20,793 4.1 mi
Brentwood 152,614 4.4 mi
Greenlawn 15,210 4.5 mi
Fort Salonga 10,199 4.7 mi
Northport 7,322 5.3 mi
North Bay Shore 20,282 5.9 mi
South Huntington 9,779 5.9 mi
Deer Park 27,990 6.0 mi
Centerport 6,072 6.1 mi

More nearby: every ZIP code in Suffolk County · New York ZIP codes

Cite this page

zipcodes.pro. “Commack, NY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ny/commack

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