As of the census[REF] of 2010, there were 2,715 people in Montana City, a 30% increase over the 2000 census.
There were 697 households out of which 46.1% had children under the age of 18 living with them, 84.4% were married couples living together, 2.9% had a female householder with no husband present, and 9.9% were non-families.