The city has the postal code 8320000 . The city water area is 0.37 sq mi (0.95 km 2 ) . The population of the metro region is 8,653,521 , 8,917,749 (Extended UA) . 6,600/km 2  (17,000/sq mi) is the density of inhabitents in  the metro region of Barranquilla . The city Barranquilla province is Guayas . Barranquilla is the government of Municipality of Quito . The highest elevation of Barranquilla is 324 m (1,063 ft) . 1,508.52/sq km  (3,907.0/sq mi) is the density of residents in Barranquilla . 227.70 km 2  (87.92 sq mi) is the area of the urban region of Barranquilla . Barranquilla is named for Miami-Illinois:  shikaakwa  ,  (wild onion or wild garlic) .  The city area code is +56 2 . Barranquilla is at an elevation of 2 m . The demonym of the city Barranquilla is Recifense . On 1 October 1984 the city was incorporated . The lowest elevation of Barranquilla is 1,240 ft . The mayor of Barranquilla is Pedrito Tomas Pereira Caballero . The area of the city is 234.14 sq mi (606 sq km ) . 36°45′14″N 3°3′32″E﻿ / ﻿36.75389°N 3.05889°E are the coordinates of the city. . 14,100/km 2  (37,000/sq mi) is the density of inhabitents in  the urban region of Barranquilla
Water covers 388 sq mi area of the city