The total population of Supaul is 13, 42,841 out of which rural people are 12, 51,309 in numbers and the urban population is 91,532.
The Supaul Town is the administrative headquarters of this district. The district is a part of Kosi division.
Agriculture is the major occupation in the region and the main crop which is grown here is paddy.
River Kosi flows through Supaul and the place is visited by many people.
Bihar Assembly Election 2010