Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — CITY/MD/CLARKSBURG

Clarksburg ZIP code, Maryland

The ZIP code for Clarksburg, MD is 20871, and its area codes are 240, 301 and 227.

USPS city name
1 ZIP code
Overlapping the city
2 more
Population
30,487
Area codes
240, 301, 227

NANPA lists no telephone rate centre for Clarksburg itself, so these are the area codes of the nearest one, Gaithersburg (6.5 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Clarksburg uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Clarksburg in numbers

About 30,487 people live in Clarksburg, in 9,412 households, the 43rd-largest of Maryland's 527 census places. The median household income is $176,678 a year, 70% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $679,400 (62% above the Maryland median), and median gross rent is $2,495 a month. The median age is 38.0; 69.0% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 34 minutes.

Population30,487Clarksburg30,487
Households9,412Clarksburg9,412
Median age38.0Clarksburg38.0Maryland39.4US 38.9
Median household income$176,678Clarksburg$176,678Maryland$103,678US $80,734
Median home value$679,400Clarksburg$679,400Maryland$419,900US $332,700
Median gross rent$2,495Clarksburg$2,495Maryland$1,705US $1,413
Bachelor's degree or higher69.0%Clarksburg69.0%Maryland43.4%US 35.7%
Mean commute34.4 minClarksburg34.4 minMaryland31.1 minUS 26.4 min
Population density3,162 / sq miClarksburg3,162 / sq mi

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

ZIP codes addressed as Clarksburg

ZIP codes with the USPS city name Clarksburg
ZIP City Type Population Median income Median home
20871 Clarksburg , MD Standard 30,182 $177,523 $668,800

Other ZIP codes overlapping Clarksburg

These ZIP codes cover part of Clarksburg but are addressed as somewhere else.

ZIP codes overlapping Clarksburg
ZIP City Type Population Median income Median home
20841 Boyds , MD Standard 9,969 $184,688 $782,500
20876 Germantown , MD Standard 26,406 $119,731 $487,300

Map of Clarksburg ZIP codes

20871

The ZIP codes of Clarksburg, 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 Clarksburg

The nearest larger towns are Germantown (90,719 people, 3.4 mi), Montgomery Village (34,110 people, 4.0 mi) and Gaithersburg (69,825 people, 6.4 mi).

Towns near Clarksburg
TownPopulationDistance
Germantown 90,719 3.4 mi
Montgomery Village 34,110 4.0 mi
Damascus 17,640 5.0 mi
Flower Hill 13,794 5.8 mi
Gaithersburg 69,825 6.4 mi
Urbana 14,260 8.2 mi
Green Valley 13,602 8.3 mi
North Potomac 23,922 8.8 mi
Redland 18,665 9.0 mi
Monrovia 3,568 9.4 mi
Poolesville 5,764 9.6 mi
Darnestown 7,051 9.6 mi
Rockville 67,671 11.3 mi
Travilah 11,721 11.3 mi

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

Cite this page

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

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