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.
As of 2006, Armena had a total population of 50 living in 16 dwellings. With a land area of 0.70 km2 (0.27 sq mi), it has a population density of 71.9/km2 (186/sq mi).