San Quintin, officially the Municipality of San Quintin, is a 5th class municipality in the province of Abra, Philippines. According to the 202…San Quintin, officially the Municipality of San Quintin, is a 5th class municipality in the province of Abra, Philippines. According to the 2020 census, it has a population of 5,705 people. The town is known for the Tugot ni Angalo, believed to be the footprint of the giant who was the first man in Abra mythology.