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/RIDGELY

Ridgely ZIP code, Maryland

The ZIP code for Ridgely, MD is 21660, and its area codes are 667 and 410.

USPS city name
1 ZIP code
Population
1,772
Area codes
667, 410

Ridgely in numbers

About 1,772 people live in Ridgely, in 649 households. The median household income is $62,048 a year, 40% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $276,700 (34% below the Maryland median), and median gross rent is $633 a month. The median age is 34.3; 12.6% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 35 minutes.

Population1,772Ridgely1,772
Households649Ridgely649
Median age34.3Ridgely34.3Maryland39.4US 38.9
Median household income$62,048Ridgely$62,048Maryland$103,678US $80,734
Median home value$276,700Ridgely$276,700Maryland$419,900US $332,700
Median gross rent$633Ridgely$633Maryland$1,705US $1,413
Bachelor's degree or higher12.6%Ridgely12.6%Maryland43.4%US 35.7%
Mean commute35.0 minRidgely35.0 minMaryland31.1 minUS 26.4 min
Population density951 / sq miRidgely951 / sq mi

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

ZIP codes addressed as Ridgely

ZIP codes with the USPS city name Ridgely
ZIP City Type Population Median income Median home
21660 Ridgely , MD Standard 4,132 $80,469 $359,300

Map of Ridgely ZIP codes

21660

The ZIP codes of Ridgely, 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 Ridgely

The nearest larger towns are Greensboro (2,634 people, 4.3 mi), Denton (4,936 people, 6.0 mi) and Centreville (4,761 people, 11 mi).

Towns near Ridgely
TownPopulationDistance
Greensboro 2,634 4.3 mi
Denton 4,936 6.0 mi
Centreville 4,761 11.5 mi
Easton 17,308 15.8 mi
Harrington, DE 3,838 16.8 mi
Grasonville 3,564 16.9 mi
Federalsburg 2,837 19.0 mi
Camden, DE 4,106 20.2 mi
Riverview, DE 2,596 20.3 mi
Chestertown 5,594 21.0 mi
Chester 4,797 21.8 mi
Bridgeville, DE 2,745 21.8 mi
Highland Acres, DE 3,752 22.6 mi
Rising Sun-Lebanon, DE 4,163 22.6 mi

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

Cite this page

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

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