Fallston, MD ZIP code
The ZIP code for Fallston, Maryland is 21047. It is in Harford County.
- Population in these ZIPs
- 13,852
- Avg. median income
- $157,500population-weighted
- Typical home value
- $563,000population-weighted
- Metro area
- Baltimore-Columbia-Towson, MD
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Fallston, MD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 21047 | 13,852 | $157,500 | $563,000 |
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 Fallston
- Baldwin 3 mi
- Fork 4 mi
- Hydes 4 mi
- Forest Hill 5 mi
- Kingsville 6 mi
- Jarrettsville 6 mi
- Bel Air 6 mi
- Glen Arm 7 mi
- Upper Falls 7 mi
- Joppa 7 mi
- Phoenix 8 mi
- Perry Hall 8 mi
Frequently asked questions
What is the ZIP code for Fallston, MD?
The ZIP code for Fallston, MD is 21047.
What county is Fallston, Maryland in?
Fallston ZIP codes are in Harford County.