The Municipality of Nagtipunan is a first class municipality in the province of Quirino, Philippines. Nagtipunan is the youngest town in the province yet the fastest in terms of population growth and development. According to the 2010 census, it has a population of 22,473 people. As the largest municipality in the province, it occupies a land area of 1607.40 square kilometers, nearly half of the province itself.