Note: Australia is generally considered to be a continental landmass, rather than an island. If however one does count Australia among the islands it, not Greenland, would be the largest in the world (unless one also considered Antarctica an island).
... families residing in the town. The population density is 1,322.5/km² (3,428.5/mi²). There are 4,661 housing units at an average density of 437.9/km² ...