What is mount airy zip code?

Mount Airy Zip code is 21771. It is located in Frederick County, Maryland, United States. The population of Mount Airy is approximately 10,529 people according to the 2019 census. The cost of living in Mount Airy is slightly higher than the national average. The median household income in Mount Airy is $108,021. The town boasts excellent public schools, attractive parks, and a small-town ambiance, making it a very desirable place to live. Residents of Mount Airy enjoy easy access to nearby cities, including Baltimore and Washington, D.C.