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/CAMBRIDGE

Cambridge ZIP code, Maryland

The ZIP code for Cambridge, MD is 21613, and its area codes are 443, 667 and 410.

USPS city name
1 ZIP code
Population
13,152
Area codes
443, 667, 410

Cambridge in numbers

About 13,152 people live in Cambridge, in 5,629 households. The median household income is $47,323 a year, 54% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $257,900 (39% below the Maryland median), and median gross rent is $1,058 a month. The median age is 39.4; 20.1% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 24 minutes.

Population13,152Cambridge13,152
Households5,629Cambridge5,629
Median age39.4Cambridge39.4Maryland39.4US 38.9
Median household income$47,323Cambridge$47,323Maryland$103,678US $80,734
Median home value$257,900Cambridge$257,900Maryland$419,900US $332,700
Median gross rent$1,058Cambridge$1,058Maryland$1,705US $1,413
Bachelor's degree or higher20.1%Cambridge20.1%Maryland43.4%US 35.7%
Mean commute23.5 minCambridge23.5 minMaryland31.1 minUS 26.4 min
Population density1,235 / sq miCambridge1,235 / sq mi

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

ZIP codes addressed as Cambridge

ZIP codes with the USPS city name Cambridge
ZIP City Type Population Median income Median home
21613 Cambridge , MD Standard 17,926 $53,890 $283,900

Map of Cambridge ZIP codes

21613

The ZIP codes of Cambridge, 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 Cambridge

The nearest larger towns are Easton (17,308 people, 15 mi), Lexington Park (13,252 people, 29 mi) and Salisbury (33,285 people, 29 mi).

Towns near Cambridge
TownPopulationDistance
Hurlock 2,819 12.4 mi
Easton 17,308 15.4 mi
Federalsburg 2,837 19.0 mi
Chesapeake Ranch Estates 9,241 22.9 mi
Lusby 2,595 23.6 mi
Drum Point 3,589 24.8 mi
Seaford, DE 8,485 26.0 mi
Denton 4,936 26.3 mi
Laurel, DE 4,152 27.4 mi
Chesapeake Beach 6,456 27.4 mi
Prince Frederick 2,955 27.6 mi
Bridgeville, DE 2,745 28.2 mi
California 13,136 28.6 mi
Grasonville 3,564 28.6 mi

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

Cite this page

zipcodes.pro. “Cambridge, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/cambridge

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