Gwynn Oak, MD ZIP code
The ZIP code for Gwynn Oak, Maryland is 21207. It is in Baltimore County.
- Population in these ZIPs
- 47,099
- Avg. median income
- $67,100population-weighted
- Typical home value
- $287,900population-weighted
- Metro area
- Baltimore-Columbia-Towson, MD
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Gwynn Oak, MD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 21207 | 47,099 | $67,060 | $287,900 |
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 Gwynn Oak
- Windsor Mill 3 mi
- Pikesville 4 mi
- Catonsville 4 mi
- Baltimore 6 mi
- Randallstown 6 mi
- Halethorpe 6 mi
- Stevenson 7 mi
- Woodstock 7 mi
- Owings Mills 8 mi
- Towson 8 mi
- Linthicum Heights 8 mi
- Elkridge 9 mi
Frequently asked questions
What is the ZIP code for Gwynn Oak, MD?
The ZIP code for Gwynn Oak, MD is 21207.
What county is Gwynn Oak, Maryland in?
Gwynn Oak ZIP codes are in Baltimore County.