Dormelletto is a comune (municipality) in the Province of Novara in the Italian region of Piedmont, located about 100 kilometres (62 mi) northeast of Turin and about 30 kilometres (19 mi) north of Novara. As of 31 December 2018, it had a population of 2,600 and an area of 7.0 square kilometres (2.7 sq mi).[3]