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/FOREST-GLEN

Forest Glen ZIP codes, Maryland

No ZIP code is named for Forest Glen, MD; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 20902 and 20910. Its area codes are 240, 301 and 227.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
6,840
Area codes
240, 301, 227

NANPA lists no telephone rate centre for Forest Glen itself, so these are the area codes of the nearest one, Gaithersburg (6.9 miles). A town on an area-code boundary can differ from its neighbour.

Forest Glen in numbers

About 6,840 people live in Forest Glen, in 2,493 households. The median household income is $127,820 a year, 23% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $606,100 (44% above the Maryland median), and median gross rent is $1,582 a month. The median age is 37.8; 65.2% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 32 minutes.

Population6,840Forest Glen6,840
Households2,493Forest Glen2,493
Median age37.8Forest Glen37.8Maryland39.4US 38.9
Median household income$127,820Forest Glen$127,820Maryland$103,678US $80,734
Median home value$606,100Forest Glen$606,100Maryland$419,900US $332,700
Median gross rent$1,582Forest Glen$1,582Maryland$1,705US $1,413
Bachelor's degree or higher65.2%Forest Glen65.2%Maryland43.4%US 35.7%
Mean commute32.4 minForest Glen32.4 minMaryland31.1 minUS 26.4 min
Population density6,820 / sq miForest Glen6,820 / sq mi

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

ZIP codes covering Forest Glen

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

ZIP codes overlapping Forest Glen
ZIP City Type Population Median income Median home
20902 Silver Spring , MD Standard 54,261 $114,486 $551,200
20910 Silver Spring , MD Standard 45,943 $112,134 $730,900

Map of Forest Glen ZIP codes

2090220910

The ZIP codes of Forest Glen, 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 Forest Glen

The nearest larger towns are South Kensington (8,148 people, 1.2 mi), Silver Spring (81,462 people, 1.7 mi) and Four Corners (8,150 people, 1.9 mi).

Towns near Forest Glen
TownPopulationDistance
South Kensington 8,148 1.2 mi
Silver Spring 81,462 1.7 mi
Four Corners 8,150 1.9 mi
Kemp Mill 13,042 2.0 mi
North Kensington 8,954 2.0 mi
Wheaton 52,926 2.2 mi
Chevy Chase 9,445 2.4 mi
Burnt Mills 3,751 2.7 mi
Chevy Chase 2,906 3.3 mi
Takoma Park 17,632 3.5 mi
Glenmont 17,208 3.6 mi
White Oak 17,329 3.6 mi
Hillandale 5,060 3.8 mi
Langley Park 21,508 4.0 mi

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

Cite this page

zipcodes.pro. “Forest Glen, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/forest-glen

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