Dharamdiha is a village in Phulparas tehsil in district of Madhubani, Bihar, India. As per the data provided by Census of India in 2011, total population of Dharamdiha was 3,480 which includes 1,845 males and 1,635 females. Dharamdiha covers 359.4 ha area. Pincode of Dharamdiha is 847402.