598,000 (2009 census), increasing. Idakho 171,000; Isukha 217,000; Tiriki 210,000 (2009 census).
Western Province, Kakamega district.
Home, community, religious services. All ages. Positive attitudes. High comprehension of all Oluluyia [luy] dialects but not used due to lexical and phonological differences. Otherwise it would be standardized and thus 1 language.