The following is the entry for this language as it appeared in the 14th edition (2000).
It was superseded by the corresponding entry in the 15th edition (2005). See also the corresponding entry in the current edition of Ethnologue.
SIL code: IOW
ISO 639-2: sio
| Population | Ethnic population of 2,400, including 1,000 Iowa, 1,400 Oto (1986 SIL). Last fluent speakers of Iowa and Oto died the end of 1996. There are others who have some degree of knowledge of the language (1997 Jimm G. GoodTracks). |
| Region | North central Oklahoma and Iowa Reservation, northeast Kansas. |
| Dialects | IOWA (BAXOJE, IOWAY), OTO (JIWERE, OTOE, JIWELE, CHIWERE), NIUTAJI (NYUT'CHI, MISSOURI, MISSOURIA). |
| Classification | Siouan, Siouan Proper, Central, Mississippi Valley, Chiwere. |
| Comments | Bilingualism in English. Iowa and Oto are effectively a single language, with some family variations cross-cutting the tribal affiliations. Speakers believe certain minor differences of pronunciation and vocabulary reflect original tribal dialect distinctions (J. E. Koontz 1996). Missouri dialect has been extinct for many years. Extinct. |
