Gilman is located in Marshall County, Iowa, USA. The suburban is named after Charles Gilman.
The main economic activities include advertising, auto dealers, banking, supplying boat equipments, health services, tourism, tire dealers, telecommunication services, insurance, educational consultants, NGO, financing and auto wrecking.
Also Gilman has massage parlors, night clubs, garden centers and green houses as well. It has schools, public libraries, restaurants and hospitals as well.