There are 11,934 households out of which 22.9% have children under the age of 18 living with them, 33.1% are married couples living together, 18.3% have a female householder with no husband present, and 44.4% are non-families.
20.1% of Mount Airy's residents are under the age of 18, and 16.9% are 65 years and over.