Johannesburg is the government of U.S. National Park Service . 464.71/km 2  (1,203.6/sq mi) is the density of people in  the urban region of Johannesburg . The population of the urban region is 16,349,831 (2nd) . The city Johannesburg province is Cebu (geographically only) . Johannesburg is located in Nicaragua . Johannesburg is at an elevation of 7726 ft . The city was incorporated in February 17, 1909 . The density of  inhabitents in  the metro region of Johannesburg is 4,484/km 2  (11,610/sq mi) . The demonym of the city Johannesburg is Tbilisian , Tbilisite . The density of  residents in Johannesburg is 985.13/km 2  (2,551.5/sq mi) . The lowest elevation of Johannesburg is 75 m  . Maung Maung Soe is the mayor of Johannesburg . 775 is the area code of Johannesburg . The city water area is 6.286 sq mi (16.281 km 2 ) 29.82% . The land area of the city is 840 km 2  (325 sq mi) . The Johannesburg city highest elevation is 5,364 m (17,598 ft) . This city is named after Calgary, Mull . The area of the metro region is 3,341.11 sq mi (8,653 km 2 ) . The city has the postal code EC1701 . Johannesburg has 1,779,361 population
There are 16354287 residents in urban region of Johannesburg