As a designated place in the 2016 Census of Population conducted by Statistics Canada, Armena recorded a population of 42 living in 16 of its 16 total private dwellings, a change of 2998894000000000000♠−10.6% from its 2011 population of 47. With a land area of 0.7 km2 (0.27 sq mi), it had a population density of 60.0/km2 (155.4/sq mi) in 2016.
As a designated place in the 2011 Census, Armena had a population of 47 living in 16 of its 16 total dwellings, a -6% change from its 2006 population of 50. With a land area of 0.7 km2 (0.27 sq mi), it had a population density of 67/km2 (174/sq mi) in 2011.
The population of Armena according to Camrose County's 2008 municipal census is 31.