Most Demisa are gardeners and forest-gatherers in their lowland homeland. Living at an altitude of 100 to 900 meters above sea level the Demisa people can best be accessed by boat. Demisa territory is a six-hour boat trip from Serui and there is an inactive airstrip in their area.

The government built a number of houses for the people. The people eat sago, fish, and vegetables. Clean water is available in the area. The Demisa people have no gospel cassette, film or videos in their language.

Both Demisa and Indonesian are used in church. At home, Demisa is regularly used. The Demisa language is part of the East Geelvink Bay language family.

Scripture Prayers for the Demisa in Indonesia.