 With a land area of , the census subdivision had a population density of in 2011.As a municipality in the 2011 Census, Big Lakes County had a population of 4,914 without the three Métis settlements.Big Lakes had the most Métis people per capita of any Canadian census subdivision in 2006 with a population of 5,000 or more due to the census' inclusion of the population of the three Métis settlement municipalities within Big Lakes' totals.