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ZIP Code Database - Facts & Stats

ZIP Codes for City of Columbia, MD

Timezone(s):Eastern (GMT -05:00)
Counties:HOWARD, MD
Population:99,615 (More Details)
Male Population:47,891
Female Population:51,724
Median Age:38
ZIP Codes:4
Area Codes:5
Total Area:253 square miles (county)
Land Area:251 square miles (county)
Water Area:2 square miles (county)

Columbia, MD Covers 3 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 21044StandardHoward41,704443 / 410 / 240 / 301 / 667
ZIP Code 21045StandardHoward38,288443 / 410 / 240 / 301 / 667
ZIP Code 21046StandardHoward15,080443 / 410 / 240 / 301 / 667

Columbia, MD Demographic Information *

Total population99,615
Male population47,891
Female population51,724
Median age (years)37.5
White Population55,322
Black Population25,231
Indian Population393
Asian Population11,390
Hawaiian Population44
Hispanic Population7,884
Median age (Male)35.6
Median age (Female)38.9
Total households39,562
Family households (families)26,084
Average household size2.5
Average family size3.09
Total housing units41,239
* Demographic data is based on 2010 Census.

Columbia, MD Other Information

207 Cities within 30 miles of Columbia, MD Products