55,000 (2005 SIL).
Mara Region, Bunda district, Chamriho division; Musoma district, south of Zanaki; southeast of Lake Victoria, east of Jita [jit] language area.
7 vowel system
Many shifting to Swahili [swh]. Home, field work, local gatherings (L1 is choice when only Ikizu speakers present). All ages.
Traditional religion, Christian, Muslim.