| Place Name | Mount Airy |
| Place Type | Town |
| ZIP Code(s) | 21771 |
| GEOID | 2453875 |
| County | Carroll County Frederick County |
| Area Code(s) | 240,301 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 9,621 |
| Population Growth Rate (2010-19) | 3.94% |
| Majority Ethnicity | White 87.13% |
| Metro/Micro Stats Area | Baltimore-Columbia-Towson, MD |
| US Congressional District(s) | Maryland 8th |
| House of Delegates Districts | 4 |
| State Senate Districts | 4 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 87.13% |
| African American | 3.38% |
| Hispanic | 0.04% |
| Asian | 1.84% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 7.61% |