The 1969 km2 municipality is the 38th largest by area out of the 357 municipalities in Norway. Lom Municipality is the 271st most populous municipality in Norway with a population of 2,215. The municipality's population density is 1.1 PD/km2 and its population has decreased by 6.3% over the previous 10-year period.

Lom Municipality is famous for its extensive history. Lom Stave Church, one of the few remaining stave churches