In the 2021 Census of Population conducted by Statistics Canada, the RM of Loon Lake No. 561 had a population of 836 living in 350 of its 697 total private dwellings, a change of 10.6% from its 2016 population of 756. With a land area of 3,148.06 km2 (1,215.47 sq mi), it had a population density of 0.3/km2 (0.7/sq mi) in 2021.[8]
In the 2016 Census of Population, the RM of Loon Lake No. 561 recorded a population of 756 living in 306 of its 638 total private dwellings, a 4.3% change from its 2011 population of 725. With a land area of 2,805.1 km2 (1,083.1 sq mi), it had a population density of 0.3/km2 (0.7/sq mi) in 2016.[4]
The RM of Loon Lake No. 561 is governed by an elected municipal council and an appointed administrator that meets on the second Wednesday of every month.[3] The reeve of the RM is Greg Cardinal while its administrator is Erin Simpson.[3] The RM's office is located in Loon Lake.[3]