The Rupnarayan flows on the west and south of the district and the Damodar intersects it.

As per 2011 Census of India Bagnan I CD Block had a total population of 221,500, of which 140,116 were rural and 81,384 were uban.

[6] As per 2001 census, Bagnan I block had a total population of 191,188, out of which 97,967 were males and 93,221 were females.

Bagnan I block registered a population growth of 16.21 per cent during the 1991-2001 decade.

[1][7] Census Towns in Bagnan I CD Block (2011 census figures in brackets): Deulgram (6,517), Karia (4,737), Paschim Bainan (12,405), Kalyanpur (8,914), Khajutti (7,380), Bangalpur (6,760), Chandrapur (4,742), Khaidnan (9,297), Bagnan (10,996) and Khalor (9,636).

[6] Large villages in Bagnan I CD Block (2011 census figures in brackets): Mankur (7,144), Purbba Bainan (4,746), Dwipamalita (4,025), Birampur (5,755), Panitras (5,227), Sabsit (6,736), Joka (4,137), Harop (5,477), Hature Kandarpapur (7,079), Murgaberia (5,936) and Ulanpara (8,369).

[6] As per 2011 census the total number of literates in Bagnan I CD Block was 164,522 (84.09% of the population over 6 years) out of which 88,531 (54%) were males and 75,991 (46%) were females.

[9] As per 2001 census, Bagnan I block had a total literacy of 76.22 per cent for the 6+ age group.

In 2011 census Hindus numbered 139,429 and formed 62.95% of the population in Bagnan I CD Block.

Bagnan I CD Block had 210 institutions with 23,805 students for special and non-formal education.

[2] Bagnan I CD Block had 3 health centres, 3 clinics and 1 hospital with 52 beds and 9 doctors in 2003.