ZIP Code
ZIP Code 21045
Columbia, Howard County, Maryland MD
Population
40,034
Density
1,593.9/sq mi
Timezone
America/New_York
Safety Score
50
50
Average
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Overview
ZIP code 21045 is located in Columbia, Howard County, Maryland. The area has a population of approximately 40,034 residents with a population density of 1,593.9 per square mile. It is in the America/New_York timezone.
Nearby ZIP Codes
21046 (Columbia, MD)2.4 mi21044 (Columbia, MD)3 mi21043 (Ellicott City, MD)3.9 mi21075 (Elkridge, MD)4 mi20794 (Jessup, MD)4.3 mi20763 (Savage, MD)4.7 mi20723 (Laurel, MD)5.2 mi21042 (Ellicott City, MD)5.7 mi20701 (Annapolis Junction, MD)5.8 mi21076 (Hanover, MD)6.2 mi21228 (Catonsville, MD)6.3 mi20759 (Fulton, MD)6.5 mi