The city of Mackay is located in the county of Custer. It covers a total area of 2.23 sq. km. Businesses related to art supplies, auto transport, auto renting and leasing, supplies of fruits and vegetables, home building, supplies of landscaping equipments, parking lot stations, dealership of recreational vehicles, road side services, outlets of sporting goods, services of telephone equipments and tourist information centers, contributing to the local economy in a positive way.