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/MECHANICSVILLE

Mechanicsville ZIP code, Maryland

The ZIP code for Mechanicsville, MD is 20659, and its area codes are 240, 301 and 227.

USPS city name
1 ZIP code
Population
1,395
Area codes
240, 301, 227

Mechanicsville in numbers

About 1,395 people live in Mechanicsville, in 515 households. The median household income is $120,966 a year, 17% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $416,100 (about the same as the Maryland median), and median gross rent is $1,511 a month. The median age is 39.9; 37.2% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 40 minutes.

Population1,395Mechanicsville1,395
Households515Mechanicsville515
Median age39.9Mechanicsville39.9Maryland39.4US 38.9
Median household income$120,966Mechanicsville$120,966Maryland$103,678US $80,734
Median home value$416,100Mechanicsville$416,100Maryland$419,900US $332,700
Median gross rent$1,511Mechanicsville$1,511Maryland$1,705US $1,413
Bachelor's degree or higher37.2%Mechanicsville37.2%Maryland43.4%US 35.7%
Mean commute40.4 minMechanicsville40.4 minMaryland31.1 minUS 26.4 min
Population density269 / sq miMechanicsville269 / sq mi

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

ZIP codes addressed as Mechanicsville

ZIP codes with the USPS city name Mechanicsville
ZIP City Type Population Median income Median home
20659 Mechanicsville , MD Standard 24,324 $121,654 $416,900

Map of Mechanicsville ZIP codes

20659

The ZIP codes of Mechanicsville, 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 Mechanicsville

The nearest larger towns are Golden Beach (3,830 people, 5.0 mi), Hughesville (2,098 people, 7.7 mi) and Leonardtown (4,808 people, 10 mi).

Towns near Mechanicsville
TownPopulationDistance
Golden Beach 3,830 5.0 mi
Leonardtown 4,808 10.3 mi
Prince Frederick 2,955 11.8 mi
Wildewood 7,552 13.8 mi
Huntingtown 2,689 14.5 mi
La Plata 10,683 14.5 mi
Waldorf 82,943 15.7 mi
California 13,136 16.4 mi
Lusby 2,595 17.3 mi
Colonial Beach, VA 3,966 17.5 mi
Drum Point 3,589 18.1 mi
Dahlgren, VA 3,350 18.2 mi
Chesapeake Ranch Estates 9,241 18.5 mi
Bensville 15,848 18.9 mi

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

Cite this page

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

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