3,400,000 (2012) is the population of the metro region of Caloocan . 985.13/km 2  (2,551.5/sq mi) is the density of residents in Caloocan . The mayor of Caloocan is Hayk Marutyan . Caloocan is located in Liberty Island , Manhattan, New York City, , New York, U.S. . The city Caloocan demonym is Santiaguinos  (- as ) . Area : 251 km2 (97 sq mi) is the area of the urban region of Caloocan . The city was incorporated in 1871 (Huntington) . The land area of the city is 8.13 sq mi (21.06 km 2 ) . The density of  residents in  the metro region of Caloocan is 6,600/km 2  (17,000/sq mi) . Caloocan is the government of Swedish Ice Hockey Association . The city province is Kadiogo . This city is named after Quitu . Caloocan is at an elevation of 184 m . 5,400/sq km  (14,000/sq mi) is the density of residents in  the urban region of Caloocan . The Caloocan city highest elevation is 425 m (1,394 ft) . The city is 344.5 km 2  (133.01 sq mi) in area . 22 is the area code of Caloocan
The urban region of Caloocan is 535 km2