Its population as determined by the 2015 Census was 1,319. This represented 3.21% of the total population of Matnog. According to the 2015 census, the age group with the highest population in Calintaan is 5 to 9, with 154 individuals. Conversely, the age group with the lowest population is 80 and over, with 8 individuals. Those aged 15 up to 64, roughly, the economically active population and actual or potential members of the work force, constitute a total of 57.62% (760).