12575 Dakota 19,280 Ethnologue distinguishes 4 Dakota languages: Assiniboine [asb], Dakota [dak], Lakota [lkt], Stoney [sto].
15,400 in US (1990 census), decreasing. 31 monolinguals (1990 census). 250 Yanktonais (1997 D. Parks); Census (2000) data may include Lakota. Population total all countries: 19,280. Ethnic population: 5,000 Yanktonais (1997 D. Parks); 20,475 (2000 census). Ethnologue: Languages of the World, 16th Edition (2009) Off