Scunthorpe is a town within North Lincolnshire, England. It is the administrative centre of the North Lincolnshire unitary authority, and has an estimated total resident population of 72,514. A predominantly industrial town, Scunthorpe, the United Kingdom's largest steel processing centre, is also known as the 'Industrial Garden Town'. It is the third largest settlement in Lincolnshire after Grimsby and Lincoln, Lincolnshire.