 Mymensingh Municipality was upgraded to a city corporation, the country's 12th, on 2 April 2018 at a meeting of the National Implementation Committee on Administrative Reforms (NICAR), after satisfying all eight criteria for forming a city corporation.At the time, Cabinet Division Secretary (Coordination and Reforms) NM Ziaul Alam declared that the new city corporation would consist of Mymensingh Municipality, two whole union parishads, and parts of six others, out of the thirteen union parishads of Mymensingh Sadar Upazila.Mymensingh Municipality had an estimated 2018 population of 471,858 in an area of .