Mandal is a town in Lindesnes municipality in Agder county, Norway. Mandal is the fourth largest town in Agder as well as the administrative centre of Lindesnes municipality. It is located at the mouth of the river Mandalselva at the southern end of the Mandalen valley. The 6.63-square-kilometre (1,640-acre) town has a population (2019) of 11,053 and a population density of 1,667 inhabitants per square kilometre (4,320/sq mi). In Norway, Mandal is considered a by which can be translated as either a "town" or "city" in English.