The density of  residents in  the urban region of Johannesburg is 2,305/km 2  (5,970/sq mi) . Johannesburg is the government of Swedish Ice Hockey Association . Johannesburg is at an elevation of 6 m . The lowest elevation of Johannesburg is 5,740 ft  . 19.500.000 is the population of Johannesburg . Johannesburg is named for Calgary, Mull . The density of  residents in  the metro region of Johannesburg is 210.9/km 2  (546.2/sq mi) . The urban region is Area : 993.5 km2 (383.6 sq mi) in area . The density of  inhabitents in Johannesburg is 7,400/km 2  (19,000/sq mi) . 56°19′37″N 44°00′27″E﻿ / ﻿56.32694°N 44.00750°E  are the coordinates of the city. . On 1871 (Huntington) the city was incorporated . 0211 is the area code of Johannesburg . The water area of the city is 4.12 sq mi (10.67 km 2 ) . The city Johannesburg demonym is Mashhadi, Mashadi, Mashdi (informal) . The population of the metro region is Population: 3,113,725  . The postal code of the city is 080020 . The highest elevation of Johannesburg is 424 m (1,391 ft) . Armand Béouindé (since 2016) is the mayor of Johannesburg . The province of the city Johannesburg is Kadiogo . The city land area is 1.275 sq mi (3.303 sq km )
Armand Béouindé (since 2016) is an important local leader of the city Johannesburg