The Johannesburg citys' lowest elevation is 5,740 ft  . 56°19′37″N 44°00′27″E﻿ / ﻿56.32694°N 44.00750°E  are the coordinates of the city. . The mayor of Johannesburg is Armand Béouindé (since 2016) . The density of  residents in  the metro region of Johannesburg is 210.9/km 2  (546.2/sq mi) . The water area of the city is 4.12 sq mi (10.67 km 2 ) . Johannesburg is at an elevation of 6 m . Johannesburg is the government of Swedish Ice Hockey Association . The city Johannesburg province is Kadiogo . The land area of the city is 1.275 sq mi (3.303 sq km ) . 19.500.000 is the population of Johannesburg . Johannesburg is named for Calgary, Mull . 2,305/km 2  (5,970/sq mi) is the density of people in  the urban region of Johannesburg . The city Johannesburg demonym is Mashhadi, Mashadi, Mashdi (informal) . The highest elevation of Johannesburg is 424 m (1,391 ft) . The area of the urban region is Area : 993.5 km2 (383.6 sq mi) . 7,400/km 2  (19,000/sq mi) is the density of residents in Johannesburg . The metro region has Population: 3,113,725  population . The postal code of the city is 080020 . On 1871 (Huntington) the city was incorporated .  The city area code is 0211
There are less than 165 residents per km 2 in the metro region of Johannesburg