Mion District with its capital Sang was carved from Yendi and forms part of the new districts and municipalities created in the year 2012 and were inaugurated at their various locations simultaneously on the 28th June, 2012. The President H.E. J.E.A Mills, by an Executive Instrument (E.I) created 46 new Districts. All the inaugurated and confirmed MMDAs established are operational with immediate effect hence bringing the total number of MMDAs to 216. The district shares boundaries with yendi municipal to the East, Karaga district to the north, East Gonja to the south and Tamale metropolitan to the west
The Regional Advisory and Information Network Systems (RAINS), a Tamale-based Non Governmental Organization (NGO), has handed over a two-unit classroom block to the chiefs and people of Sang in the Mion District.
The District Chief Executive (DCE) for Mion in the northern region, Dan W. Makandan has called on all political parties and other stakeholders in the area to accept the verdict expected to be delivered by the panel of Judges hearing the Presidential Election Petition.