ZIP code 21231 — Baltimore

Postal code

21231Copy

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

City

Baltimore

County

Baltimore (city) FIPS 24510

State

Maryland

Country

United States

Coordinates

39.2892, -76.5900 — precision precise (locality)
View on OpenStreetMap

Population

14,556 (ZCTA, ACS 5-year)

Population density

16,756 / sq mi

Land area

0.9 sq mi (2.3 km²) (ZCTA, ACS 5-year)

Median household income

$85,382

Per-capita income

$63,380

Median age

32.4

Households

7,789

Housing units

9,342

Median home value

$336,500

Median gross rent

$1,710 / month

Congressional district

MD-7 (119th Congress)

USDA hardiness zone

8a (10 to 15 °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

410, 443, 667, 301

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.

Tools: compare 21231 with another ZIP · ZIPs within 25 miles · distance from 21231