The urban region is 227.70 km 2  (87.92 sq mi) in area . The population of the metro region is 8,653,521 , 8,917,749 (Extended UA) . 14,100/km 2  (37,000/sq mi) is the density of inhabitents in  the urban region of Barranquilla . The city has the postal code 8320000 . 234.14 sq mi (606 sq km ) is the area of the city namedBarranquilla . The city was incorporated in 1 October 1984 . Pedrito Tomas Pereira Caballero is the mayor of Barranquilla . Barranquilla is the government of Municipality of Quito . The density of  residents in  the metro region of Barranquilla is 6,600/km 2  (17,000/sq mi) . Barranquilla is at an elevation of 2 m . 1,508.52/sq km  (3,907.0/sq mi) is the density of residents in Barranquilla .  The city area code is +56 2 . The coordinates of the city are 36°45′14″N 3°3′32″E﻿ / ﻿36.75389°N 3.05889°E . The highest elevation of Barranquilla is 324 m (1,063 ft) . Barranquilla is named for Miami-Illinois:  shikaakwa  ,  (wild onion or wild garlic) . The lowest elevation of Barranquilla is 378 m  . The city Barranquilla province is Guayas . The water area of the city is 0.37 sq mi (0.95 km 2 ) . The city Barranquilla demonym is Recifense
More than 845 sq mi area of the city Barranquilla is water