Hjellum is a village in Hamar Municipality in Innlandet county, Norway. The village is located on the north shore of the river Svartelva, about 2 kilometres (1.2 mi) southeast of the village of Ridabu.
Hjellum Station was a former station on the Rørosbanen railway. It has a small coking factory; the area around it has several coal mines.
Hamar Municipality (Norwegian: Hamar kommune; [ˈhɑ̂ːmɑr] ) is a municipality in Innlandet county, Norway. It is located in the traditional district of Hedmarken. The administrative centre of the municipality is the town of Hamar. Other settlements in Hamar include Hjellum, Slemsrud, Ridabu, Ingeberg, and Ilseng.
The 351-square-kilometre (136 sq mi) municipality is the 250th largest by area out of the 357 municipalities in Norway. Hamar Municipality is the 31st most populous municipality in Norway with a population of 33,441. The municipality's population density is 95.3 inhabitants per square kilometre (247/sq mi) and its population has increased by 11.4% over the previous 10-year period.