The Masingryong Mountains pass through the county, which slopes downward gradually to the west.

The county sits atop the Paektu Plateau, with the mountains rising to only a small relative height.

Poch'ŏn's farms produce potatoes, wheat and barley, among other crops; orchards and livestock farms are also found.

Poch'ŏn is served by the Samjiyŏn and Poch'ŏn (Paektusan Rimch'ŏl) lines of the Korean State Railway, and also by roads.

Pochon-gun is divided into 1 up (town), 2 rodongjagu (workers' districts) and 17 ri (villages):