The city was incorporated in November 7, 1861, as Denver City, C.T. . 26°10′S 28°18′E﻿ / ﻿26.167°S 28.300°E are the coordinates of the city. . The Johannesburg citys' lowest elevation is 1,250 ft . 700/km 2  (1,800/sq mi) is the density of inhabitents in Johannesburg . The city province is Cebu (geographically only) . +55 (41) is the area code of Johannesburg . The city Johannesburg demonym is Guayaquilean . 3,423/km 2  (8,870/sq mi) is the density of inhabitents in  the urban region of Johannesburg . Pramila Pandey (BJP) is the mayor of Johannesburg . Johannesburg is located in Flathead County & Glacier County, Montana, United States . Area : 993.5 km2 (383.6 sq mi) is the area of the urban region of Johannesburg . This city is named after James W. Denver . The water area of the city is 3.73 sq mi (9.67 km 2 ) . Area: 572 km2 (221 sq mi) is the area of the city namedJohannesburg . The Johannesburg city highest elevation is 425 m (1,394 ft) . The density of  inhabitents in  the metro region of Johannesburg is 6,600/km 2  (17,000/sq mi) . The postal code of the city is 1100 . Johannesburg is at an elevation of 726 m . 4,005,015 is the population of the metro region of Johannesburg
The area of this city is less than  123 km2