Shunmuni is a village in Illambazar tehsil in district of Birbhum, West Bengal, India. As per the data provided by Census of India in 2011, total population of Shunmuni was 2,965 which includes 1,552 males and 1,413 females. Shunmuni covers 367.48 ha area. Pincode of Shunmuni is 731214.