Cebuano is the predominant dialect in Sagbayan it being spoken by 12,040 persons followed by Boholano which is used by 5,865 of the population. Both Cebuano and Boholano, which are variations of the Visayan dialect constitute 98% spoken dialect of the household population. This ethnicity mix indicates that the settlers of Sagbayan came from either Cebu or the adjacent municipalities in the area.