Kemijärvi (Inari Sami:Kemijävri, Northern Sami:Giemajávri) is a municipality of Finland and the northernmost town in Finland. It is located in the province of Lapland. The municipality has a population of 7,749 (31 March 2016) and covers an area of 3,931.44 square kilometres (1,517.94sqmi) of which 425.84km (164.42sqmi) is water. The population density is 2.21 inhabitants per square kilometre (5.7/sqmi).