2,300/km 2  (6,100/sq mi) is the density of inhabitents in  the urban region of Johannesburg . 2,900/km 2  (7,400/sq mi) is the density of people in Johannesburg . Johannesburg has 957,441 population . The metro region has 9,616,000 population . 7,860,781 is the population of the urban region of Johannesburg
There are more than 8094 people per sq mi in Johannesburg