The municipality was incorporated in 1912, and established in the current boundaries in 1943, under the name Municipal District of Morrin No. 277. The name was changed the same year to Municipal District of Starland No. 277. Its name was changed again to Starland County in 1998.
In the 2021 Census of Population conducted by Statistics Canada, Starland County had a population of 1,821 living in 588 of its 679 total private dwellings, a change of -11.9% from its 2016 population of 2,066. With a land area of 2,540.85 km2 (981.03 sq mi), it had a population density of 0.7/km2 (1.9/sq mi) in 2021.[2]
In the 2016 Census of Population conducted by Statistics Canada, Starland County had a population of 2,066 living in 611 of its 693 total private dwellings, a 0.4% change from its 2011 population of 2,057. With a land area of 2,559.95 km2 (988.40 sq mi), it had a population density of 0.8/km2 (2.1/sq mi) in 2016.[5]