The city water area is 6.286 sq mi (16.281 km 2 ) 29.82% . The density of  inhabitents in  the metro region of Johannesburg is 4,484/km 2  (11,610/sq mi) . Maung Maung Soe is the mayor of Johannesburg . The lowest elevation of Johannesburg is 75 m  . 985.13/km 2  (2,551.5/sq mi) is the density of residents in Johannesburg . The density of  people in  the urban region of Johannesburg is 464.71/km 2  (1,203.6/sq mi) . The city Johannesburg province is Cebu (geographically only) . The Johannesburg city highest elevation is 5,364 m (17,598 ft) . Johannesburg is named for Calgary, Mull . Johannesburg is at an elevation of 2355 m . The city Johannesburg demonym is Tbilisian , Tbilisite . Johannesburg is located in Nicaragua .  The city area code is 775 . The population of the urban region is 16,349,831 (2nd) . The land area of the city is 840 km 2  (325 sq mi) . On February 17, 1909 the city was incorporated . The metro region is 3,341.11 sq mi (8,653 km 2 ) in area . Johannesburg is the government of U.S. National Park Service . 1,779,361 is the population of Johannesburg . The postal code of the city is EC1701
There are less than 1781602 residents in Johannesburg