Maryland Line, MD ZIP code
The ZIP code for Maryland Line, Maryland is 21105. It is in Baltimore County.
- Population in these ZIPs
- 36
- Avg. median income
- —population-weighted
- Typical home value
- —population-weighted
- Metro area
- Baltimore-Columbia-Towson, MD
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Maryland Line, MD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 21105 | 36 | — | — |
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 Maryland Line
- Freeland 4 mi
- Parkton 5 mi
- White Hall 6 mi
- Monkton 10 mi
- Manchester 11 mi
- Sparks Glencoe 11 mi
- Hampstead 12 mi
- Jarrettsville 12 mi
- Pylesville 12 mi
- Upperco 13 mi
- Cockeysville 14 mi
- Butler 14 mi
Frequently asked questions
What is the ZIP code for Maryland Line, MD?
The ZIP code for Maryland Line, MD is 21105.
What county is Maryland Line, Maryland in?
Maryland Line ZIP codes are in Baltimore County.