In terms of geographical area, Arjeplog is one of Sweden's largest, but it is also the country's least densely populated municipality.

The vast majority of the populace live in Arjeplog, which is one of Sweden's smallest municipal seats.

People lived in the area of today's municipality as early as 10,000 years ago, following the end of the last ice age.

At first the deceased were buried under the earthen floor in the church, but eventually the stench became unbearable and the procedure had to end.

The mining was upheld until 1810, when the low profits, harsh climate and the long distances led to its closure.

Arjeplog Municipality consists of a terrain dominated by the Scandinavian Mountains and many water areas.

Skellefte River attaches south from Lake Hornavan and extends southeast to Skellefteå and the Gulf of Bothnia on the east coast.

About 80 kilometres north of the town Arjeplog one finds the national parks Padjelanta and Sarek, both being situated in the western parts of Jokkmokk Municipality.

There is only one locality (or urban area) in Arjeplog Municipality:[3] This is a demographic table based on Arjeplog Municipality's electoral districts in the 2022 Swedish general election sourced from SVT's election platform, in turn taken from SCB official statistics.