High Quality Content by WIKIPEDIA articles! Monkayo is a 1st class municipality in the province of Compostela Valley, Philippines. According to the 2007 census, it has a population of 90, 971 people. It has 21 barangays, with Mt. Diwata, having the biggest population of 16, 965 people. Monkayo is an agricultural town, with vast tracks of land planted to rice and banana. The municipality is also host to the gold-rich barangay of Mt. Diwata, popularly known as "Diwalwal" (which in the local dialect means one`s tongue is hanging out due to exhaustion), a 1,000-meter high range known worldwide for its rich gold ore deposit. Monkayo`s seat of government is located in barangay Poblacion, a highly-developed rural town center, and is 120 kilometers away from Mindanao`s regional center of Davao City, and some 30 kilometers from Nabunturan, the provincial center.