Yellowknife a municipal government system and is governed by the Yellowknife City Council, which consists of an elected mayor and eight councillors. The Government of the Northwest Territories delegates powers to the municipality through legislative acts and regulations. Council meetings are held in the Council Chambers at City Hall on the second and fourth Monday of each month, and are open to the public. Municipal elections are held every three years. The current mayor of Yellowknife is Rebecca Alty who replaces Mark Heyck. Alty was elected 16 October 2018, and was sworn in 5 November 2018. Yellowknife is represented in the
Yellowknife also resulted in new discoveries at the Con Mine, greatly extending the life of the mine. The Yellowknife townsite expanded from the Old Town waterfront, and the new townsite was established during 1945–1946. The Discovery Mine, with its own townsite, operated to the north-northeast of Yellowknife from 1950 to 1969. Between 1939 and 1953, Yellowknife was controlled by the Northern Affairs department (now Indigenous and Northern Affairs Canada) of the Government of Canada. A small council, partially elected and partially appointed, made decisions. By 1953, Yellowknife had grown so much that it was made a municipality, with its own council