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zipcodes.pro — CITY/MD/GWYNN-OAK

Gwynn Oak ZIP code, Maryland

The ZIP code for Gwynn Oak, MD is 21207, and its area codes are 410, 443 and 667.

USPS city name
1 ZIP code
Population
47,099
Area codes
410, 443, 667

NANPA lists no telephone rate centre for Gwynn Oak itself, so these are the area codes of the nearest one, Baltimore (2.5 miles). A town on an area-code boundary can differ from its neighbour.

Gwynn Oak in numbers

About 47,099 people live in Gwynn Oak, in 18,976 households. The median household income is $67,060 a year, 35% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $260,300 (38% below the Maryland median).

Population47,099Gwynn Oak47,099
Households18,976Gwynn Oak18,976
Median household income$67,060Gwynn Oak$67,060Maryland$103,678US $80,734
Median home value$260,300Gwynn Oak$260,300Maryland$419,900US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Gwynn Oak. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Gwynn Oak

ZIP codes with the USPS city name Gwynn Oak
ZIP City Type Population Median income Median home
21207 Gwynn Oak , MD Standard 47,099 $67,060 $260,300

Map of Gwynn Oak ZIP codes

The ZIP codes of Gwynn Oak, 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 Gwynn Oak

The nearest larger towns are Baltimore (573,243 people, 6.1 mi), Ellicott City (75,257 people, 6.9 mi) and Towson (58,679 people, 7.3 mi).

Towns near Gwynn Oak
TownPopulationDistance
Lochearn 27,074 1.7 mi
Woodlawn 40,379 2.0 mi
Milford Mill 30,829 3.1 mi
Catonsville 43,368 4.3 mi
Pikesville 33,524 4.8 mi
Randallstown 35,957 5.5 mi
Garrison 9,469 5.7 mi
Arbutus 22,507 5.8 mi
Baltimore 573,243 6.1 mi
Lansdowne 7,876 6.8 mi
Ellicott City 75,257 6.9 mi
Owings Mills 37,245 7.0 mi
Towson 58,679 7.3 mi
Baltimore Highlands 8,206 7.5 mi

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

Cite this page

zipcodes.pro. “Gwynn Oak, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/gwynn-oak

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