ZIP code 21045 — Columbia

Postal code

21045Copy

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

City

Columbia

County

Howard FIPS 24027

State

Maryland

Country

United States

Coordinates

39.2051, -76.8322 — precision precise (locality)
View on OpenStreetMap

Population

40,866 (ZCTA, ACS 5-year)

Population density

4,213 / sq mi

Land area

9.7 sq mi (25.1 km²) (ZCTA, ACS 5-year)

Median household income

$117,323

Per-capita income

$53,227

Median age

38.4

Households

15,368

Housing units

15,826

Median home value

$438,500

Median gross rent

$1,768 / month

Congressional district

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, 410, 667

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 21045 with another ZIP · ZIPs within 25 miles · distance from 21045