Linthicum Heights, MD ZIP code
The ZIP code for Linthicum Heights (also written Linthicum Hts), Maryland is 21090. It is in Anne Arundel County.
- Population in these ZIPs
- 10,652
- Avg. median income
- $138,100population-weighted
- Typical home value
- $430,800population-weighted
- Metro area
- Baltimore-Columbia-Towson, MD
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Linthicum Heights, MD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 21090 | 10,652 | $138,119 | $430,800 |
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 Linthicum Heights
- Halethorpe 2 mi
- Brooklyn 3 mi
- Harmans 4 mi
- Hanover 4 mi
- Elkridge 5 mi
- Curtis Bay 5 mi
- Severn 6 mi
- Catonsville 6 mi
- Baltimore 7 mi
- Jessup 8 mi
- Glen Burnie 8 mi
- Gwynn Oak 8 mi
Frequently asked questions
What is the ZIP code for Linthicum Heights, MD?
The ZIP code for Linthicum Heights, MD is 21090.
What county is Linthicum Heights, Maryland in?
Linthicum Heights ZIP codes are in Anne Arundel County.