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/RIVERHEAD

Riverhead ZIP code, New York

The ZIP code for Riverhead, NY is 11901, and its area codes are 631 and 934.

USPS city name
1 ZIP code
Population
14,936
Area codes
631, 934

Riverhead in numbers

About 14,936 people live in Riverhead, in 5,444 households. The median household income is $83,008 a year, 3% below the New York median of $85,974 (US: $80,734). The median owner-occupied home is valued at $457,400 (8% above the New York median), and median gross rent is $2,045 a month. The median age is 44.6; 19.1% of adults 25 and over hold a bachelor's degree or higher (40.2% across New York); the average commute takes 24 minutes.

Population14,936Riverhead14,936
Households5,444Riverhead5,444
Median age44.6Riverhead44.6New York39.8US 38.9
Median household income$83,008Riverhead$83,008New York$85,974US $80,734
Median home value$457,400Riverhead$457,400New York$423,800US $332,700
Median gross rent$2,045Riverhead$2,045New York$1,621US $1,413
Bachelor's degree or higher19.1%Riverhead19.1%New York40.2%US 35.7%
Mean commute24.4 minRiverhead24.4 minNew York32.6 minUS 26.4 min
Population density990 / sq miRiverhead990 / sq mi

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

ZIP codes addressed as Riverhead

ZIP codes with the USPS city name Riverhead
ZIP City Type Population Median income Median home
11901 Riverhead , NY Standard 33,091 $85,061 $453,800

Map of Riverhead ZIP codes

11901

The ZIP codes of Riverhead, 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 Riverhead

The nearest larger towns are Hampton Bays (15,706 people, 10 mi), Mastic (15,708 people, 13 mi) and Shirley (28,375 people, 15 mi).

Towns near Riverhead
TownPopulationDistance
Riverside 4,038 3.2 mi
Baiting Hollow 2,614 3.6 mi
Calverton 5,618 5.5 mi
Flanders 6,609 5.7 mi
Wading River 8,359 7.2 mi
Westhampton 3,900 7.3 mi
Mattituck 4,606 7.9 mi
Manorville 14,233 8.5 mi
East Quogue 5,406 9.0 mi
Westhampton Beach 2,574 10.1 mi
Hampton Bays 15,706 10.2 mi
East Shoreham 7,321 10.4 mi
East Moriches 6,260 10.7 mi
Cutchogue 2,835 11.0 mi

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

Cite this page

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

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