The city of Mellette is located in the county of Spink. It covers a total area of 0.67 sq. km. The local inhabitants are engaged in businesses related to contracting in air conditioning systems, car financing and loans, home building, supplies of security systems, education, supplies of sporting goods and retailing of liquor, enhancing the economy of the city. Commercial spaces are utilized by financial institutions, garden centers and restaurants contribute to the economy in a positive way.