4,000 (2004 FEL). Ethnic population: 4,000 (2004).
Chaco province; Formosa province: Bermejo and Pilcomayo river valleys; Salta province.
Toba-Pilagá (Sombrero Negro), Chaco Pilagá. Intelligibility between dialects needs investigation.
Vitality varies with age, education and frequency of Spanish [spa] use (Crevels 2007). Home. All ages.
Latin script [Latn].