The population of Johannesburg is 1,779,361 . Johannesburg is located in Nicaragua . The urban region has 16,349,831 (2nd) population . 3,341.11 sq mi (8,653 km 2 ) is the area of the metro region of Johannesburg . The city has the postal code EC1701 . The mayor of Johannesburg is Maung Maung Soe . This city is named after Calgary, Mull . The city Johannesburg province is Cebu (geographically only) . The demonym of the city Johannesburg is Tbilisian , Tbilisite . The city land area is 840 km 2  (325 sq mi) . 464.71/km 2  (1,203.6/sq mi) is the density of people in  the urban region of Johannesburg . The density of  inhabitents in  the metro region of Johannesburg is 4,484/km 2  (11,610/sq mi) .  The city area code is 775 . The density of  residents in Johannesburg is 985.13/km 2  (2,551.5/sq mi) . Johannesburg is at an elevation of 7726 ft . Johannesburg is the government of U.S. National Park Service . The Johannesburg citys' lowest elevation is 246 ft . The city was incorporated in February 17, 1909 . The highest elevation of Johannesburg is 5,364 m (17,598 ft) . The water area of the city is 6.286 sq mi (16.281 km 2 ) 29.82%
There are less than 11532 people per sq mi in the metro region of Johannesburg