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Zip Code 21044 — Columbia, MD

21044 is a ZIP Code associated with Columbia, MD, located within Howard. The postal region supports an estimated population of 44,114 residents across Data Pending housing units, with a population density of 1,432.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.210470, -76.883530)

Data MetricLocal Statistic
Postal / Zip Code21044
Primary CityColumbia
State / ProvinceMD
CountyHoward
Total Population44,114
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,432.9 people/sq mi
TimezoneAmerica/New_York

How 21044 Compares

MetricZIP 21044Howard CountyMD State Average
Population44,114335,5126,205,597
Median IncomeData PendingN/AN/A
Population Density1,432.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 21045Columbia3.0 mi40,034N/A
Zip 21046Columbia3.4 mi15,608N/A
Zip 21029Clarksville3.7 mi13,607N/A
Zip 21042Ellicott City4.2 mi43,327N/A
Zip 20759Fulton4.6 mi6,624N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →