sentences:  The community is named for the nearby lake, as is the out-flowing Cadotte River, which lends its name to the Cadotte Member of the Peace River Formation, a stratigraphical unit of the Western Canadian Sedimentary Basin.As a designated place in the 2016 Census of Population conducted by Statistics Canada, Cadotte Lake recorded a population of 5 living in 1 of its 14 total private dwellings, a change of from its 2011 population of 39.With a land area of , it had a population density of in 2016.