Tupi, officially the Municipality of Tupi, is a municipality in the province of South Cotabato, Philippines. According to the 2020 census, it has a p…Tupi, officially the Municipality of Tupi, is a municipality in the province of South Cotabato, Philippines. According to the 2020 census, it has a population of 73,459 people. Nestled at the foot of a dormant volcano, Mount Matutum, Tupi is considered as the fruit, vegetable and flower basket of South Cotabato.