1,500 (Mead 2001). 1,100 in Lembanato and 400 in Tumbulawa.
Sulawesi Tengah Province, Togian islands, Lembanato village on Kilat bay, north side of Togian island, and Tumbulawa village, northwest coast of Batu Daka island.
Bobongko is not derogatory to its speakers, but it is to the Andio [bzb]. Muslim, Christian.