The province of the city Johannesburg is Cebu (geographically only) . 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 . The postal code of the city is 1100 . The population of the metro region is 4,005,015 . 26°10′S 28°18′E﻿ / ﻿26.167°S 28.300°E are the coordinates of the city. . Johannesburg is located in Flathead County & Glacier County, Montana, United States . Pramila Pandey (BJP) is the mayor of Johannesburg . The city water area is 3.73 sq mi (9.67 km 2 ) . This city is named after James W. Denver . The urban region is Area : 993.5 km2 (383.6 sq mi) in area . Area: 572 km2 (221 sq mi) is the area of the city namedJohannesburg . Johannesburg is at an elevation of 2382 ft . On November 7, 1861, as Denver City, C.T. the city was incorporated . The Johannesburg citys' lowest elevation is 380 m  . The density of  people in Johannesburg is 700/km 2  (1,800/sq mi) . 6,600/km 2  (17,000/sq mi) is the density of people in  the metro region of Johannesburg . +55 (41) is the area code of Johannesburg . The Johannesburg city highest elevation is 425 m (1,394 ft)
The peak of Johannesburg is at 91 m (299 ft)