Baybay is a barangay in the municipality of Alubijid, in the province of Misamis Oriental. Its population as determined by the 2015 Census was 1,959. This represented 6.59% of the total population of Alubijid.
According to the 2015 Census, the age group with the highest population in Baybay is 5 to 9, with 206 individuals. Conversely, the age groups with the lowest population are in the ranges 70 to 74, and 80 and over, with 17 individuals.
The population of Baybay grew from 899 in 1990 to 1,959 in 2015, an increase of 1,060 people. The latest census figures in 2015 denote a positive growth rate of 2.52%, or an increase of 240 people, from the previous population of 1,719 in 2010.