Bougainville is at an elevation of 57 metres . The postal code of the city is 207, 208, 220 - 224, 226 - 228, 231 - 239, 241 - 244, 247 - 249, 251 - 253 . On 1799 (Guyandotte) the city was incorporated . 1,500/km 2  (3,900/sq mi) is the density of residents in  the metro region of Bougainville . The demonym of the city Bougainville is Delhiite . The urban region is 190.65 sq mi (493.8 sq km ) in area . The land area of the city is 47.35 sq mi (122.63 km 2 ) . The city Bougainville province is Kadiogo .  The city area code is +56 2 . The water area of the city is 3.4 sq mi (8.8 km 2 ) . The lowest elevation of Bougainville is 1,250 ft . 56°50′N 60°35′E﻿ / ﻿56.833°N 60.583°E are the coordinates of the city. . Bougainville has 433,688 population . Bougainville is located in South Korea . This city is named after James W. Denver . 2,300/km 2  (6,100/sq mi) is the density of inhabitents in  the urban region of Bougainville . 5,860 km 2  (2,261 sq mi) is the area of the metro region of Bougainville . The highest elevation of Bougainville is 424 m (1,391 ft) . 5,200/km 2  (13,000/sq mi) is the density of inhabitents in Bougainville
There are more than 13891 inhabitents per sq mi in Bougainville