The postal code of the city is 16000 . The city province is Guayas .  The city area code is +82-53 . 36°04′N 107°58′W﻿ / ﻿36.06°N 107.97°W﻿ / 36.06; -107.97 are the coordinates of the city. . Caloocan is named for Joe Juneau . The city land area is 5,490.35 km 2  (2,119.84 sq mi) . The water area of the city is 0.68 sq mi (1.77 km 2 ) . The mayor of Caloocan is Jorge Yunda . The demonym of the city Caloocan is Mashhadi, Mashadi, Mashdi (informal) . Caloocan is the government of Bristol City Council . The city was incorporated in 1871-11-04 . The density of  residents in  the urban region of Caloocan is 14,100/km 2  (37,000/sq mi) . The highest elevation of Caloocan is 2,715 m (8,907 ft) . Area : 126 km2 (49 sq mi) is the area of the city namedCaloocan . The density of  people in Caloocan is 3,351/km 2  (8,680/sq mi) . The area of the urban region is 335.4 sq mi (539.7 km 2 ) . Caloocan is located in Nicaragua . The Caloocan citys' lowest elevation is 3 ft
There are 3783 inhabitents per km 2 in Caloocan