Dharmmasagar is a village in Daspur I tehsil in district of Paschim Medinipur, West Bengal, India. As per the data provided by Census of India in 2011, total population of Dharmmasagar was 1,156 which includes 568 males and 588 females. Dharmmasagar covers 98.74 ha area. Pincode of Dharmmasagar is 721146.