1,350 (2010 INEGI). 160 monolinguals (2010 INEGI).
Puebla, south of Puebla City, halfway to Oaxaca border, Santa Catarina Tlaltempan and Santa María Chigmecatitlán.
None known. 23% intelligibility of Chazumba [mit] (Southern Puebla reportedly most similar). An island of Mixtec surrounded by Popoloca and Nahuatl varieties. Low intelligibility with all Mixtec; very different.
Also use Spanish [spa].
Latin script [Latn].