The city water area is 4.12 sq mi (10.67 km 2 ) . The density of  people in Chengdu is 3,300/km 2  (8,600/sq mi) . On February 17, 1909 the city was incorporated . Chengdu is the government of Swedish Ice Hockey Association . The density of  inhabitents in  the urban region of Chengdu is 3,300/km 2  (8,600/sq mi) . The postal code of the city is 9XXXXXX . The metro region has Population (2015): 2,500,000 population . The province of the city Chengdu is Bulawayo . The Chengdu citys' lowest elevation is 620 ft . The highest elevation of Chengdu is 33 m (108 ft) . Chengdu is located in People's Republic of China . 0211 is the area code of Chengdu . The density of  residents in  the metro region of Chengdu is 2,813/km 2  (7,290/sq mi) . 6°14′40″S 155°23′02″E﻿ / ﻿6.24444°S 155.38389°E are the coordinates of the city. . The demonym of the city Chengdu is Capetonian . Chengdu is named for Cartagena, Spain . Chengdu is at an elevation of 488 m . The urban region has 7,860,781 population . Armand Béouindé (since 2016) is the mayor of Chengdu
There are 8748 residents per sq mi in Chengdu