In the 2021 Census of Population conducted by Statistics Canada, the RM of Antelope Park No. 322 had a population of 124 living in 53 of its 67 total private dwellings, a change of -4.6% from its 2016 population of 130. With a land area of 609.52 km2 (235.34 sq mi), it had a population density of 0.2/km2 (0.5/sq mi) in 2021.[9]
In the 2016 Census of Population, the RM of Antelope Park No. 322 recorded a population of 130 living in 54 of its 61 total private dwellings, a -13.3% change from its 2011 population of 150. With a land area of 612.9 km2 (236.6 sq mi), it had a population density of 0.2/km2 (0.5/sq mi) in 2016.[4]
The RM of Antelope Park No. 322 is governed by an elected municipal council and an appointed administrator that meets on the third Tuesday of every month.[3] The reeve of the RM is Gordon Dommett while its administrator is Robin Busby.[3] The RM's office is located in Marengo.[3]