Birniyan is a village in Poreyahat tehsil in district of Godda, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Birniyan was 2,364 which includes 1,258 males and 1,106 females. Birniyan covers 368.82 ha area. Pincode of Birniyan is 814153.