Kapilsahar is a village in Murarai I tehsil in district of Birbhum, West Bengal, India. As per the data provided by Census of India in 2011, total population of Kapilsahar was 1,114 which includes 564 males and 550 females. Kapilsahar covers 139.54 ha area. Pincode of Kapilsahar is 731238.