Mahadeva Rural Municipality is one of the 18 municipalities in Saptari District of Madhesh Province. As per the 2021 census, the rural municipality has a total population of 30,315, comprising 15,225 males (50.2%) and 15,090 females (49.8%), with a literacy rate of 59.85%. Spanning 34.97 square kilometers, Mahadeva Rural Municipality exhibits the population density of 867 people per square kilometer. Administratively, it is divided into 6 wards.
According to the latest publicly available report of the Center for Education and Human Resource Development (CEHRD), Mahadeva has 26 schools. Of these, 6 are private and 19 are public. The breakdown includes 23 pre-schools, 26 basic schools, and 4 secondary schools. Among the secondary schools, 2 offer +2 programs.
Some of the popular schools within the region include Shree Nar Bahadur Thapa Janata Secondary School, Dwarika Shreelal Satni Yadav Secondary School, Shree Gramdevta Basic School, Shree Janta Secondary School, and Janta Devnarayan Amla Secondary School.