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/GREEN-VALLEY

Green Valley ZIP codes, Maryland

No ZIP code is named for Green Valley, MD; addresses there use a neighbouring town's name. 4 ZIP codes cover it: 21771, 20871, 21770 and 21754. Its area codes are 240, 301 and 227.

USPS city name
0 ZIP codes
Overlapping the city
4 more
Population
13,602
Area codes
240, 301, 227

NANPA lists no telephone rate centre for Green Valley itself, so these are the area codes of the nearest one, Mount Airy (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Green Valley in numbers

About 13,602 people live in Green Valley, in 4,246 households. The median household income is $171,707 a year, 66% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $594,300 (42% above the Maryland median), and median gross rent is $3,000 a month. The median age is 40.9; 49.7% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 35 minutes.

Population13,602Green Valley13,602
Households4,246Green Valley4,246
Median age40.9Green Valley40.9Maryland39.4US 38.9
Median household income$171,707Green Valley$171,707Maryland$103,678US $80,734
Median home value$594,300Green Valley$594,300Maryland$419,900US $332,700
Median gross rent$3,000Green Valley$3,000Maryland$1,705US $1,413
Bachelor's degree or higher49.7%Green Valley49.7%Maryland43.4%US 35.7%
Mean commute34.6 minGreen Valley34.6 minMaryland31.1 minUS 26.4 min
Population density796 / sq miGreen Valley796 / sq mi

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

ZIP codes covering Green Valley

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

ZIP codes overlapping Green Valley
ZIP City Type Population Median income Median home
20871 Clarksburg , MD Standard 30,182 $177,523 $668,800
21754 Ijamsville , MD Standard 8,156 $182,188 $647,300
21770 Monrovia , MD Standard 8,751 $183,571 $632,500
21771 Mount Airy , MD Standard 33,031 $157,302 $556,200

Map of Green Valley ZIP codes

20871217542177021771

The ZIP codes of Green Valley, 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 Green Valley

The nearest larger towns are Damascus (17,640 people, 5.4 mi), Urbana (14,260 people, 5.5 mi) and Linganore (14,444 people, 5.9 mi).

Towns near Green Valley
TownPopulationDistance
Monrovia 3,568 2.2 mi
Mount Airy 9,805 5.1 mi
Damascus 17,640 5.4 mi
Urbana 14,260 5.5 mi
Linganore 14,444 5.9 mi
Bartonsville 3,282 6.8 mi
Spring Ridge 5,922 6.9 mi
Clarksburg 30,487 8.3 mi
Ballenger Creek 26,390 10.0 mi
Montgomery Village 34,110 10.8 mi
Walkersville 6,414 11.3 mi
Frederick 83,395 11.3 mi
Germantown 90,719 11.6 mi
Flower Hill 13,794 12.3 mi

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

Cite this page

zipcodes.pro. “Green Valley, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/green-valley

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