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/ROTTERDAM

Rotterdam ZIP codes, New York

No ZIP code is named for Rotterdam, NY; addresses there use a neighbouring town's name. 3 ZIP codes cover it: 12303, 12306 and 12304. Its area codes are 518 and 838.

USPS city name
0 ZIP codes
Overlapping the city
3 more
Population
22,695
Area codes
518, 838

NANPA lists no telephone rate centre for Rotterdam itself, so these are the area codes of the nearest one, Schenectady (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Rotterdam in numbers

About 22,695 people live in Rotterdam, in 9,979 households. The median household income is $85,887 a year, about the same as the New York median of $85,974 (US: $80,734). The median owner-occupied home is valued at $214,400 (49% below the New York median), and median gross rent is $1,278 a month. The median age is 40.0; 32.0% of adults 25 and over hold a bachelor's degree or higher (40.2% across New York); the average commute takes 22 minutes.

Population22,695Rotterdam22,695
Households9,979Rotterdam9,979
Median age40.0Rotterdam40.0New York39.8US 38.9
Median household income$85,887Rotterdam$85,887New York$85,974US $80,734
Median home value$214,400Rotterdam$214,400New York$423,800US $332,700
Median gross rent$1,278Rotterdam$1,278New York$1,621US $1,413
Bachelor's degree or higher32.0%Rotterdam32.0%New York40.2%US 35.7%
Mean commute22.3 minRotterdam22.3 minNew York32.6 minUS 26.4 min
Population density2,766 / sq miRotterdam2,766 / sq mi

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

ZIP codes covering Rotterdam

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

ZIP codes overlapping Rotterdam
ZIP City Type Population Median income Median home
12303 Schenectady , NY Standard 29,360 $84,375 $238,100
12304 Schenectady , NY Standard 22,403 $69,235 $179,200
12306 Schenectady , NY Standard 27,865 $83,202 $222,500

Map of Rotterdam ZIP codes

123031230412306

The ZIP codes of Rotterdam, 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 Rotterdam

The nearest larger towns are Schenectady (68,847 people, 2.3 mi), Albany (100,492 people, 11 mi) and Troy (51,033 people, 15 mi).

Towns near Rotterdam
TownPopulationDistance
Schenectady 68,847 2.3 mi
Scotia 7,264 3.6 mi
Niskayuna 21,227 4.1 mi
East Glenville 11,914 6.1 mi
Colonie 7,702 7.7 mi
Westmere 8,334 7.7 mi
Voorheesville 2,824 8.8 mi
Clifton Knolls-Mill Creek 3,349 9.2 mi
Roessleville 10,968 10.1 mi
Latham 13,802 10.9 mi
Loudonville 10,527 11.1 mi
Albany 100,492 11.4 mi
Siena College 2,500 11.4 mi
Country Knolls 5,445 11.8 mi

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

Cite this page

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

Underlying data is public domain or openly licensed — sources, vintages and licences.