Mount Airy, MD ZIP code
The ZIP code for Mount Airy (also written Mt. Airy), Maryland is 21771. It is in Frederick County.
- Population in these ZIPs
- 33,031
- Avg. median income
- $157,300population-weighted
- Typical home value
- $625,900population-weighted
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Mount Airy, MD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 21771 | 33,031 | $157,302 | $625,900 |
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 Mount Airy
- Monrovia 6 mi
- New Market 6 mi
- Woodbine 7 mi
- Damascus 7 mi
- Libertytown 8 mi
- New Windsor 9 mi
- Cooksville 9 mi
- Ijamsville 9 mi
- Union Bridge 10 mi
- Sykesville 10 mi
- Glenwood 11 mi
- Clarksburg 11 mi
Frequently asked questions
What is the ZIP code for Mount Airy, MD?
The ZIP code for Mount Airy, MD is 21771.
What county is Mount Airy, Maryland in?
Mount Airy ZIP codes are in Frederick County.