As of , the city has a population of people, which makes it the fourth largest city in the Philippines in population. Under the same census year, Caloocan South (Barangays 1 to 164) has a population of 585,091 and Caloocan North (Barangays 165 to 188) has a population of 998,887. If the two districts are treated as separate cities, they will still be among the largest in country for the 2015 census year - ranking as the 4th and 17th with the highest population.