ZIP code · Glenelg · Maryland · United States

ZIP code 21737 — Glenelg

Name: Glenelg (21737)
Address: Maryland, 21737, US

ZIP code 21737 serves Glenelg, Maryland.

Postal code: 21737
Single source Value from one source, not cross-checked.
City: Glenelg
County: Howard
State: Maryland
Country: United States
Coordinates: 39.2546, -77.0198 — precision precise (locality)
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Population: 2,384 (ZCTA, ACS 5-year)
Median household income: $250,001
Median age: 38.2
Time zone: America/New_York (UTC−5 / UTC−4 DST)

Nearby localities

21738Glenwood · 2.8 km
21036Dayton · 3.0 km
21794West Friendship · 6.3 km
21041Ellicott City · 7.0 km
21150Simpsonville · 7.0 km
21723Cooksville · 7.5 km
21029Clarksville · 7.5 km
20862Brinklow · 7.9 km
20833Brookeville · 8.3 km
20777Highland · 9.0 km

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page