Dularpur Kosik is a village in Arrah tehsil in district of Bhojpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Dularpur Kosik was 478 which includes 255 males and 223 females. Dularpur Kosik covers 50 ha area. Pincode of Dularpur Kosik is N/A.