Clarin, officially the Municipality of Clarin, is a 4th class municipality in the province of Misamis Occidental, Philippines. According to the 2020 c…Clarin, officially the Municipality of Clarin, is a 4th class municipality in the province of Misamis Occidental, Philippines. According to the 2020 census, it has a population of 39,356 people. Source: "clarinmisocc.gov.ph"