Lumparland is a municipality of Åland, an autonomous territory of Finland. It is the smallest municipality on mainland Åland. The municipality has a population of 390 (31 March 2016) and covers an area of 87.06 square kilometres (33.61 sq mi) of which 50.8 km2 (19.6 sq mi) is water. The population density is 10.76 inhabitants per square kilometre (27.9/sq mi). The municipality is unilingually Swedish. Lumparland was the last municipality in Finland to establish its own website which happened in 2004.