6,000. Very few monolinguals. Ethnic population: 24,500, including 16,500 Jishishan and 8000 Tongren.
Southwest Gansu Province, Linxia Hui autonomous prefecture, Jishishan Bao’an-Dongxiang-Sala Autonomous county; east Qinghai Province, Tongren county.
Jishishan (Dahejia, Dajiahe, Dakheczjha), Tongren (Tungyen). Jishishan subdialects are Ganhetan and Dadun; Tongren subdialects are Nianduhu, Guomari, Gajiuri, and Lower Bao’an. Jishishan dialect has been influenced by Mandarin Chinese [cmn], Tongren by Tibetan [bod]. There are phonological and grammatical differences between them, and inherent intelligibility may be low.
SOV; stress on final syllable; modifiers precede noun heads; Tongren dialect allows onset consonant clusters which resemble Tibetan; Jishishan dialect has Chinese-type syllable structure
Jishishan Bonan in Gansu officially classified within Baoan (Bao’an) nationality and moved into Jishishan from Tongren in 1858–1863, while Tongren Bonan in Qinghai officially classified within Tu nationality. Muslim (Sunni), Buddhist (Lamaist), traditional religion.