In the 2021 Census of Population conducted by Statistics Canada, the RM of Sarnia No. 221 had a population of 326 living in 135 of its 244 total private dwellings, a change of 1.2% from its 2016 population of 322. With a land area of 863.89 km2 (333.55 sq mi), it had a population density of 0.4/km2 (1.0/sq mi) in 2021.[8]
In the 2016 Census of Population, the RM of Sarnia No. 221 recorded a population of 322 living in 131 of its 255 total private dwellings, a 21.1% change from its 2011 population of 266. With a land area of 870.73 km2 (336.19 sq mi), it had a population density of 0.4/km2 (1.0/sq mi) in 2016.[4]
Government
The RM of Sarnia No. 221 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 Carl Erlandson while its administrator is Patti Vance.[3] The RM's office is located in Holdfast.[3]