According to the 2015 Census, the age group with the highest population in Lagtang is 5 to 9, with 134 individuals. Conversely, the age group with the lowest population is 75 to 79, with 5 individuals.
Combining age groups together, those aged 14 and below, consisting of the the young dependent population which include infants/babies, children and young adolescents/teenagers, make up an aggregate of 31.02% (367). Those aged 15 up to 64, roughly, the economically active population and actual or potential members of the work force, constitute a total of 63.82% (755). Finally, old dependent population consisting of the senior citizens, those aged 65 and over, total 5.16% (61) in all.
The computed Age Dependency Ratios mean that among the population of Lagtang, there are 49 youth dependents to every 100 of the working age population; there are 8 aged/senior citizens to every 100 of the working population; and overall, there are 57 dependents (young and old-age) to every 100 of the working population.
The median age of 25 indicates that half of the entire population of Lagtang are aged less than 25 and the other half are over the age of 25.
The population of Lagtang grew from 670 in 1990 to 1,183 in 2015, an increase of 513 people. The latest census figures in 2015 denote a positive growth rate of 3.29%, or an increase of 185 people, from the previous population of 998 in 2010.
Lagtang is situated at approximately 8.5670, 124.4893, in the island of Mindanao. Elevation at these coordinates is estimated at 36.4 meters or 119.4 feet above mean sea level.