Columbia, MD ZIP codes
Columbia, Maryland has 3 ZIP codes. They are in Howard County.
- Population in these ZIPs
- 99,756
- Avg. median income
- $127,300population-weighted
- Typical home value
- $509,300population-weighted
- Metro area
- Baltimore-Columbia-Towson, MD
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Columbia, MD ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 21044 | Howard County | 44,114 | $135,057 | $537,100 |
| 21045 | Howard County | 40,034 | $118,563 | $476,400 |
| 21046 | Howard County | 15,608 | $127,813 | $514,800 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Columbia
- Jessup 4 mi
- Savage 4 mi
- Ellicott City 5 mi
- Elkridge 5 mi
- Fulton 5 mi
- Annapolis Junction 5 mi
- Clarksville 6 mi
- Highland 7 mi
- Hanover 7 mi
- Laurel 7 mi
- Burtonsville 8 mi
- Catonsville 8 mi
Frequently asked questions
What county is Columbia, Maryland in?
Columbia ZIP codes are in Howard County.