The arms show a heraldic image of the mountain that dominates the view around the village, the Andersnatten.

[6] Most of the citizens live in the village of Eggedal or the administrative centre of Prestfoss.

Agriculture, forestry, and the kitchen-producing enterprise of Sigdal Kjøkken are still important industries.

Sigdal has a humid continental (Dfb), near subarctic climate (Dfc), Dsb, and Dsc (the dry-summer versions, respectively) at once.

The highest and lowest temperatures ever recorded in Sigdal are 93 F (34 C) in July and-11 F (-24 C) in February, respectively.