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/MD/NEW-WINDSOR

New Windsor ZIP code, Maryland

The ZIP code for New Windsor, MD is 21776, and its area codes are 443, 667 and 410.

USPS city name
1 ZIP code
Population
1,400
Area codes
443, 667, 410

New Windsor in numbers

About 1,400 people live in New Windsor, in 561 households. The median household income is $111,250 a year, 7% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $374,000 (11% below the Maryland median). The median age is 45.6; 38.2% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 48 minutes.

Population1,400New Windsor1,400
Households561New Windsor561
Median age45.6New Windsor45.6Maryland39.4US 38.9
Median household income$111,250New Windsor$111,250Maryland$103,678US $80,734
Median home value$374,000New Windsor$374,000Maryland$419,900US $332,700
Bachelor's degree or higher38.2%New Windsor38.2%Maryland43.4%US 35.7%
Mean commute48.2 minNew Windsor48.2 minMaryland31.1 minUS 26.4 min
Population density1,897 / sq miNew Windsor1,897 / sq mi

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

ZIP codes addressed as New Windsor

ZIP codes with the USPS city name New Windsor
ZIP City Type Population Median income Median home
21776 New Windsor , MD Standard 6,261 $133,409 $461,600

Map of New Windsor ZIP codes

21776

The ZIP codes of New Windsor, MD, 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 New Windsor

The nearest larger towns are Westminster (20,445 people, 5.5 mi), Taneytown (7,932 people, 8.7 mi) and Woodsboro (1,540 people, 11 mi).

Towns near New Windsor
TownPopulationDistance
Westminster 20,445 5.5 mi
Taneytown 7,932 8.7 mi
Mount Airy 9,805 12.0 mi
Eldersburg 31,695 12.4 mi
Sykesville 4,491 13.6 mi
Manchester 5,439 13.6 mi
Hampstead 6,251 13.9 mi
Linganore 14,444 14.0 mi
Littlestown, PA 4,850 14.0 mi
Walkersville 6,414 14.9 mi
Monrovia 3,568 15.8 mi
Green Valley 13,602 15.8 mi
Spring Ridge 5,922 16.0 mi
Emmitsburg 2,845 16.3 mi

More nearby: every ZIP code in Carroll County · Maryland ZIP codes

Cite this page

zipcodes.pro. “New Windsor, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/new-windsor

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