400 in United States (Golla 2007), decreasing. 6 monolinguals. Population total all countries: 510. Ethnic population: 820 (2000 census).
Northeast Kansas, Horton; central Oklahoma, McCloud and Jones; Texas, Nuevo Nacimiento. Also in Mexico.
Possibly intelligible with Meskwaki [sac].
In Oklahoma, some youth prefer English [eng]; in Kansas, most or all speakers are older adults (2007).