The Leech Lake Indian Reservation (Gaa-zagaskwaajimekaag in the Ojibwe language) is an Indian reservation located in the north-central Minnesota counties of Cass, Itasca, Beltrami, and Hubbard. The reservation forms the land base for the federally recognized Leech Lake Band of Ojibwe, one of six bands comprising the Minnesota Chippewa Tribe, organized in 1934. The Leech Lake Reservation has the highest population of any reservation in Minnesota, with a resident population of 10,660 indicated by the 2010 United States census.