Grahamdale is a rural municipality (RM) in the province of Manitoba in Western Canada. It lies in the Interlake Region. It was incorporated as a Local Government District (LGD) on 1 January 1945, and became a Rural Municipality in 1997.

The municipality exists in two sections that are separated by a part of the Fairford 50 Indian reserve. It extends from Gypsumville to Mulvihill and incorporates the former RM of Woodlea within its present boundaries.

Communities

• Camper
• Faulkner
• Grahamdale
• Gypsumville
• Hilbre
• Moosehorn
• Mulvihill
• St. Martin
• St. Martin Junction
• Spearhill
• Steep Rock

Demographics

In the 2021 Census of Population conducted by Statistics Canada, Grahamdale had a population of 1,278 living in 579 of its 886 total private dwellings, a change of -4.2% from its 2016 population of 1,334. With a land area of 2,365.94 km (913.49 sq mi), it had a population density of 0.5/km (1.4/sq mi) in 2021.