Sparbu is a village and former municipality in Nord-Trøndelag county, Norway. It is located in the present-day municipality of Steinkjer. The 0.39-square-kilometre (96-acre) village has a population (2013) of 592. The population density of Sparbu is 1,518 inhabitants per square kilometre (3,930/sq mi).Sparbu sits along the European route E6 highway, and it is also the location of Sparbu Station on the Nordlandsbanen railway line.