Tigaon, officially the Municipality of Tigaon, is a municipality in the province of Camarines Sur, Philippines. According to the 2020 censu…Tigaon, officially the Municipality of Tigaon, is a municipality in the province of Camarines Sur, Philippines. According to the 2020 census, it has a population of 60,524 people. It is in the eastern part of the province of Camarines Sur, between Mount Isarog and Lagonoy Gulf, and occupies a total land area of 12,575 ha., 80% of which is flat. Of these, 1,045 hectare are irrigated riceland.