According to the 2015 Census, the age group with the highest population in Lourdes is 5 to 9, with 350 individuals. Conversely, the age group with the lowest population is 80 and over, with 29 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 32.62% (1,040). Those aged 15 up to 64, roughly, the economically active population and actual or potential members of the work force, constitute a total of 61.86% (1,972). Finally, old dependent population consisting of the senior citizens, those aged 65 and over, total 5.52% (176) in all.
The computed Age Dependency Ratios mean that among the population of Lourdes, there are 53 youth dependents to every 100 of the working age population; there are 9 aged/senior citizens to every 100 of the working population; and overall, there are 62 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 Lourdes are aged less than 25 and the other half are over the age of 25.
The population of Lourdes grew from 2,451 in 1990 to 3,188 in 2015, an increase of 737 people. The latest census figures in 2015 denote a positive growth rate of 2.40%, or an increase of 374 people, from the previous population of 2,814 in 2010.
Lourdes is situated at approximately 8.5146, 124.4340, in the island of Mindanao. Elevation at these coordinates is estimated at 32.4 meters or 106.3 feet above mean sea level.