Johannes von Schröder/Herm. Biernatzki noted down a 'population' of 368 for Halstenbek in the year 1855*. Status on the 31. March 2010, 16.573 citizens were registered.

*From: 'Topographie der Herzogtümer Holstein und Lauenburg ...' (topography of the duchies Holstein and Lauenburg) edition, first volume. 1855.