690 in Viet Nam (2009 census). Most of the ethnic group use the language (Bradley 2007). Population total all countries: 708.
Hà Giang Province, Viet Nam-Yunnan-Kwangsi border, upper Clear river valley, Dunshi, Pugao, Pula, Pubang, and Manong; Yên Minh and Mèo Vac districts; Dông Van district, Phô Là and Sung Chang villages. Also in China.
Pu Péo is an official ethnic community. Traditional religion.