Civiasco is a comune (municipality) in the Province of Vercelli in the Italian region Piedmont, located about 90 kilometres (56 mi) northeast of Turin and about 50 kilometres (31 mi) north of Vercelli. As of 31 December 2004, it had a population of 264 and an area of 7.3 square kilometres (2.8 sq mi).Civiasco borders the following municipalities: Arola, Cesara, Madonna del Sasso, and Varallo Sesia.