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/MARDELA-SPRINGS

Mardela Springs ZIP code, Maryland

The ZIP code for Mardela Springs, MD is 21837, and its area codes are 410, 443 and 667.

USPS city name
1 ZIP code
Population
493
Area codes
410, 443, 667

NANPA lists no telephone rate centre for Mardela Springs itself, so these are the area codes of the nearest one, Sharptown (6.0 miles). A town on an area-code boundary can differ from its neighbour.

Mardela Springs in numbers

About 493 people live in Mardela Springs, in 159 households. The median household income is $64,432 a year, 38% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $247,200 (41% below the Maryland median), and median gross rent is $1,364 a month. The median age is 34.1; 22.2% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 21 minutes.

Population493Mardela Springs493
Households159Mardela Springs159
Median age34.1Mardela Springs34.1Maryland39.4US 38.9
Median household income$64,432Mardela Springs$64,432Maryland$103,678US $80,734
Median home value$247,200Mardela Springs$247,200Maryland$419,900US $332,700
Median gross rent$1,364Mardela Springs$1,364Maryland$1,705US $1,413
Bachelor's degree or higher22.2%Mardela Springs22.2%Maryland43.4%US 35.7%
Mean commute20.5 minMardela Springs20.5 minMaryland31.1 minUS 26.4 min
Population density1,251 / sq miMardela Springs1,251 / sq mi

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

ZIP codes addressed as Mardela Springs

ZIP codes with the USPS city name Mardela Springs
ZIP City Type Population Median income Median home
21837 Mardela Springs , MD Standard 2,891 $62,880 $227,400

Map of Mardela Springs ZIP codes

21837

The ZIP codes of Mardela Springs, 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 Mardela Springs

The nearest larger towns are Hebron (1,566 people, 4.4 mi), Sharptown (874 people, 5.9 mi) and Delmar (4,261 people, 11 mi).

Towns near Mardela Springs
TownPopulationDistance
Delmar 4,261 10.6 mi
Salisbury 33,285 10.8 mi
Fruitland 5,801 11.8 mi
Laurel, DE 4,152 12.7 mi
Hurlock 2,819 13.1 mi
Seaford, DE 8,485 15.8 mi
Federalsburg 2,837 16.2 mi
Princess Anne 3,569 17.7 mi
Cambridge 13,152 18.6 mi
Bridgeville, DE 2,745 20.2 mi
Georgetown, DE 7,660 25.5 mi
Millsboro, DE 7,424 25.8 mi
Easton 17,308 27.8 mi
Snow Hill 2,659 27.9 mi

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

Cite this page

zipcodes.pro. “Mardela Springs, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/mardela-springs

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