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/LEONARDTOWN

Leonardtown ZIP code, Maryland

The ZIP code for Leonardtown, MD is 20650, and its area codes are 240, 301 and 227.

USPS city name
1 ZIP code
Population
4,808
Area codes
240, 301, 227

Leonardtown in numbers

About 4,808 people live in Leonardtown, in 1,578 households. The median household income is $153,819 a year, 48% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $575,300 (37% above the Maryland median), and median gross rent is $2,002 a month. The median age is 38.3; 54.7% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 29 minutes.

Population4,808Leonardtown4,808
Households1,578Leonardtown1,578
Median age38.3Leonardtown38.3Maryland39.4US 38.9
Median household income$153,819Leonardtown$153,819Maryland$103,678US $80,734
Median home value$575,300Leonardtown$575,300Maryland$419,900US $332,700
Median gross rent$2,002Leonardtown$2,002Maryland$1,705US $1,413
Bachelor's degree or higher54.7%Leonardtown54.7%Maryland43.4%US 35.7%
Mean commute29.3 minLeonardtown29.3 minMaryland31.1 minUS 26.4 min
Population density1,249 / sq miLeonardtown1,249 / sq mi

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

ZIP codes addressed as Leonardtown

ZIP codes with the USPS city name Leonardtown
ZIP City Type Population Median income Median home
20650 Leonardtown , MD Standard 16,094 $143,116 $481,700

Map of Leonardtown ZIP codes

20650

The ZIP codes of Leonardtown, 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 Leonardtown

The nearest larger towns are Wildewood (7,552 people, 5.0 mi), California (13,136 people, 8.0 mi) and Lexington Park (13,252 people, 11 mi).

Towns near Leonardtown
TownPopulationDistance
Wildewood 7,552 5.0 mi
California 13,136 8.0 mi
Drum Point 3,589 11.2 mi
Lexington Park 13,252 11.3 mi
Lusby 2,595 11.7 mi
Chesapeake Ranch Estates 9,241 12.6 mi
Golden Beach 3,830 13.3 mi
Prince Frederick 2,955 16.8 mi
Colonial Beach, VA 3,966 19.4 mi
Huntingtown 2,689 21.3 mi
Dahlgren, VA 3,350 23.2 mi
La Plata 10,683 24.4 mi
Waldorf 82,943 26.0 mi
Chesapeake Beach 6,456 27.0 mi

More nearby: every ZIP code in St. Mary's County · Maryland ZIP codes

Cite this page

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

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