The principal divisions or tribes are Cootenai, or Upper Cootenai; Akoklako, or Lower Cootenai; Klanoh-Klatklam, or Flathead Cootenai; Yaketahnoklatakmakanay, or Tobacco Plains Cootenai. _Population._--There are about 425 Cootenai at Flathead Agency, Montana, and 539 at Kootenay Agency, British Columbia; total, 964.