Poraiyahat is a town located on the north-east border of Bihar and Jharkhand.

[1] The Rajmahal hills run from the bank of the Ganges in the extreme north to the south into the Dumka district.

[2] According to the 2011 Census of India, Poraiyahat had a total population of 6,319, of which 3,296 (52%) were males and 3,023 (48%) were females.

The total number of literate persons in Poraiyahat was 4,106 (75.44% of the population over six years).

[3] The 30 km Hansdiha-Godda rail, part of the Eastern Railway, passes through Poraiyahat.