Lourdes is a barangay in the municipality of Alubijid, in the province of Misamis Oriental. Its population as determined by the 2015 Census was 3,188. This represented 10.73% of the total population of Alubijid.
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.
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.