The metro region is 3,341.11 sq mi (8,653 km 2 ) in area . Johannesburg is located in Nicaragua . The city water area is 6.286 sq mi (16.281 km 2 ) 29.82% . The density of  residents in Johannesburg is 985.13/km 2  (2,551.5/sq mi) . The city Johannesburg province is Cebu (geographically only) . Johannesburg is at an elevation of 7726 ft . The highest elevation of Johannesburg is 5,364 m (17,598 ft) . 1,779,361 is the population of Johannesburg . 464.71/km 2  (1,203.6/sq mi) is the density of people in  the urban region of Johannesburg . 16,349,831 (2nd) is the population of the urban region of Johannesburg . The city was incorporated in February 17, 1909 . This city is named after Calgary, Mull . The land area of the city is 840 km 2  (325 sq mi) . Johannesburg is the government of U.S. National Park Service . The city has the postal code EC1701 . The demonym of the city Johannesburg is Tbilisian , Tbilisite . Maung Maung Soe is the mayor of Johannesburg . 775 is the area code of Johannesburg . The density of  inhabitents in  the metro region of Johannesburg is 4,484/km 2  (11,610/sq mi) . The lowest elevation of Johannesburg is 246 ft
There are 985 inhabitents per km 2 in Johannesburg