ZIP code 20879 — Gaithersburg

Postal code

20879Copy

Single source Value from one source, not cross-checked.

City

Gaithersburg

County

Montgomery FIPS 24031

State

Maryland

Country

United States

Coordinates

39.1730, -77.1855 — precision precise (locality)
View on OpenStreetMap

Population

26,120 (ZCTA, ACS 5-year)

Population density

3,032 / sq mi

Land area

8.6 sq mi (22.3 km²) (ZCTA, ACS 5-year)

Median household income

$105,109

Per-capita income

$45,736

Median age

36.3

Households

8,850

Housing units

9,008

Median home value

$433,500

Median gross rent

$1,895 / month

Congressional districts

MD-8 (also MD-6) (119th Congress)

USDA hardiness zone

7b (5 to 10 °F)

Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.

Time zone

America/New_York (UTC−5 / UTC−4 DST)

Area codes

240, 301, 227

Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

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