San Clemente is a fifth class municipality in the province of Tarlac, Philippines. According to the 2015 census, it has a population of 12,657 people. Like Sta. Ignacia and Mayantoc, San Clemente is a former part of Camiling. It has a beautiful falls called Timmanguyob in its forest. ^ Census of Population. "Region III ". Total Population by Province, City, Municipality and Barangay. PSA. Retrieved 20 June 2016.