According to the 2015 Census, the age group with the highest population in Benigwayan is 15 to 19, with 174 individuals. Conversely, the age group with the lowest population is 80 and over, with 8 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 33.23% (415). Those aged 15 up to 64, roughly, the economically active population and actual or potential members of the work force, constitute a total of 61.41% (767). Finally, old dependent population consisting of the senior citizens, those aged 65 and over, total 5.36% (67) in all.
The computed Age Dependency Ratios mean that among the population of Benigwayan, there are 54 youth dependents to every 100 of the working age population; there are 9 aged/senior citizens to every 100 of the working population. There are 63 dependents (young and old-age) to every 100 of the working population.
The median age of 22 indicates that half of the entire population of Benigwayan are aged less than 22 and the other half are over the age of 22.
The population of Benigwayan grew from 641 in 1990 to 1,249 in 2015, an increase of 608 people. The latest census figures in 2015 denote a positive growth rate of 8.80%, or an increase of 447 people, from the previous population of 802 in 2010.
Benigwayan is situated at approximately 8.5506, 124.4527, in the island of Mindanao. Elevation at these coordinates is estimated at 31.5 meters or 103.3 feet above mean sea level.
