The municipality has a population of 396 (31 August 2017) and covers an area of 87.04 square kilometres (33.61 sq mi) of which 50.8 km2 (19.6 sq mi) is water. The population density is 10.92 inhabitants per square kilometre (28.3/sq mi). The municipality is unilingually Swedish.
The main village is Klemetsby, where there is a bank, a church, a post office and a school. Klemetsby is 25 kilometres (16 mi) away from Mariehamn. The ferry port of Långnäs is situated in the eastern part of Lumparland.
Lumparland was the last municipality in Finland to establish its own website which happened in 2004.
The municipality has previously also been known as "'Lumparlanti" in some Finnish documents, but is today referred to as "Lumparland" also in Finnish.
The Church of Lumparland, dedicated to St. Andrew, is the oldest surviving wooden church in Åland, dating back to the 1720s. Inside the church, the altar painting is the work of Victor Westerholm. There is also a miniature ship from 1836 inside the church.
Lumpokasen (60.7 m or 199 ft) is the highest point in the municipality.
Agriculture and tourism are the most important lines of business in Lumparland.
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Media related to Lumparland at Wikimedia Commons
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