The border between the historical provinces of Uplandia and Sudermannia splits Stockholm City Centre in two parts. In the northern, Uplandian, part lives 179,185 people on an area of 28.05 km², which gives a density of 6,388.06/km². The same data for the southern, Sudermannian, part is: 103,646 on 7.44 km² = 13,930.91/km².
1/ km² 2/ Population per km² 3/Population figures from 2003 gives a hint of the distribution: Gamla Stan 2,986; Riddarholmen 3 Norrmalm 6,758; Skeppsholmen 63 Reimersholme 2,205; Långsholmen 162