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ZIP code 21045
Columbia, MD · Howard County
About ZIP code 21045
- ZIP code 21045 is in Columbia, Howard County, Maryland.
- About 40,034 people live in it, which is 1,593.9 people per square mile.
- Time zone: Eastern Standard Time.
- The middle of the ZIP code is at 39.206, -76.827.
A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.
Columbia, MD
ZIP code 21045 is the post office name for Columbia, MD. 104,338 people live in Columbia. Typical household income is $131,490. A typical home costs $497,400.
- Stronger than most towns on: Home internet and working from home, Long, healthy lives and Diversity & community.
- Weaker than most towns on: Cost of living, Pleasant weather for being outdoors and Property taxes.
Other ZIP codes in Columbia
Nearby ZIP codes
- 21046 Columbia · 15,608 people
- 21044 Columbia · 44,114 people
- 21043 Ellicott City · 48,525 people
- 21075 Elkridge · 37,363 people
- 20794 Jessup · 16,814 people
- 20763 Savage · 2,601 people
- 20723 Laurel · 36,866 people
- 21042 Ellicott City · 43,327 people
ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.