The population of the metro region is 4,005,015 . The demonym of the city Cape Town is Capetonian . Cape Town has 433,688 population . The density of  residents in Cape Town is 1,100/sq km  (2,800/sq mi) . The density of  people in  the metro region of Cape Town is 1,600/sq km  (4,200/sq mi)
The city Cape Town is 4871sq mi populace in it's metro region