ZIP code · Gambrills · Maryland · United States

ZIP code 21054 — Gambrills

ZIP code 21054 serves Gambrills, Maryland.

Postal code
21054
Single source Value from one source, not cross-checked.
City
Gambrills
County
Anne Arundel FIPS 24003
State
Maryland
Country
United States
Coordinates
39.0407, -76.6819 — precision precise (locality)
View on OpenStreetMap
Population
15,412 (ZCTA, ACS 5-year)
Population density
968 / sq mi
Land area
15.9 sq mi (41.2 km²) (ZCTA, ACS 5-year)
Median household income
$153,976
Per-capita income
$62,213
Median age
41.5
Households
5,292
Housing units
5,377
Median home value
$587,700
Median gross rent
$2,351 / month
Congressional districts
MD-5 (also MD-3) (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
443, 667, 410 (from the nearest rate centre)
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.

Climate — monthly normals

Warmest month Jul (avg high 89°F), coldest Jan (avg low 22°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F444755667583898779685748
Avg low °F222331415161666557443327

NOAA 1991–2020 climate normals from the nearest station: GLENN DALE BELL STN (8.2 mi) · NOAA NCEI

Places in ZIP 21054

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

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) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page