| 2,904 km²|
Rajendra Agricultural University
Samastipur is a town and a municipality (nagar parishad) in Bihar, India. It is the headquarters of Samastipur district. The Burhi Gandak River flows through the town.
As of 2011 census, Samastipur had a population of 42,61,566.
Samastipur has several schools and colleges. Most of the colleges are affiliated to the Lalit Narayan Mithila University, Darbhanga. IGNOU has several study centres in Samastipur. The Rajendra Agricultural University is located near the town, in Pusa.Karpoori Thakur
Syed Shahnawaz Hussain