Mount Airy is a city within Surry County, in the U.S. state of North Carolina. As of the 2020 United States census, the city's population was 10,676, an increase of 288 from the 2010 census count of 10,388. As of 2020, the city is the most populous municipality in Surry County. Mount Airy is located within the Piedmont Triad metropolitan region.