Monarch is a hamlet in southern Alberta, Canada within the Lethbridge County. It is located on Highway 3A, approximately 23 kilometres (14 mi) northwest of Lethbridge.
As a designated place in the 2016 Census of Population conducted by Statistics Canada, Monarch recorded a population of 227 living in 90 of its 98 total private dwellings, a change of 3.2% from its 2011 population of 220. With a land area of 0.39 km2 (0.15 sq mi), it had a population density of 582.1/km2 (1,507.5/sq mi) in 2016.
As a designated place in the 2011 Census, Monarch had a population of 220 living in 90 of its 90 total dwellings, an 18.9% change from its 2006 population of 185. With a land area of 0.42 km2 (0.16 sq mi), it had a population density of 524/km2 (1,360/sq mi) in 2011.
Coordinates: 49°48′16″N 113°06′28″W / 49.80444°N 113.10778°W