Lagtang is a barangay in the municipality of Alubijid, in the province of Misamis Oriental. Its population as determined by the 2015 Census was 1,183. This represented 3.98% of the total population of Alubijid.
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.
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.