||200 (2000 SIL), decreasing. Ethnic population: 224 (2000 census).
||Near Elton, Louisiana, Koasati Reservation; near Livingston, TX, Alabama-Koasati Reservation, others elsewhere; 1 family in Oregon.
Southeastern United States of America
||The grammars of Koasati and Alabama [akz] are significantly different. Less than 50% cognate with Alabama.
||More in Louisiana than Texas. Language was down until the last decade. Less than 10 primary school-age speakers. Home, religious services. Mainly adults. Positive attitude. Also use English, Cajun French [frc], Alabama [akz], or Choctaw [cho].
||Written usage is minimal. Dictionary.