There are 92 counties in Indiana. Marion County does not function as a separate governmental unit; it consolidated governmental functions with Indianapolis city on January 1, 1970 but they are not coextensive. The governing body in each of the other counties is a board of commissioners.
There are 1,011 county subdivisions in Indiana known as minor civil divisions (MCDs). There are 1,008 townships which are functioning, but not necessarily active, governmental units. There is one unorganized territory, Camp Atterbury in Bartholomew County, and two county subdivisions not defined, each comprised of the portions of Lake Michigan within Indiana. Each active and functioning MCD is governed by a board of trustees.