Ohio county government is the structure of official managerial and legal bodies of the counties of Ohio, USA. It is marked by a loose organization and a diffusion of power, the basic framework not having been changed since the Nineteenth century. The Ohio Constitution allows counties to set up a charter government as many cities and villages do, but only Summit and Cuyahoga counties have done so. Counties operating under a constitutional government do not possess home rule powers and can do only what has been expressly authorized by the Ohio General Assembly. However, Article X of the Ohio Constitution gives county government benefits similar to those conferred on cities and villages under the home rule amendments of 1912.