The state has a total geographical area of 22,327 sq.km., of which 20,089 sq.km. lies in the hill areas of the state comprising of five hill Districts and the remaining 2,238 sq. kms. is in the valley areas comprising of four valley districts. As per 2001 census, the state is having total population of 21,66,788 persons (excluding three Sub Division viz, i) Purul ii) Paomata and iii) Mao Maram under Senapati District). The Scheduled Castes and Scheduled Tribe population are respectively 60,037 persons (2.77%) and 7,41,141 persons (34.20%). Majority of the Scheduled Tribe population are living in the five hill Districts. On the other hand, majority of the Scheduled Castes population are living in the valley areas.