Potkoi Milik is a village in Kochadhamin tehsil in district of Kishanganj, Bihar, India. As per the data provided by Census of India in 2011, total population of Potkoi Milik was 220 which includes 119 males and 101 females. Potkoi Milik covers 18.7 ha area. Pincode of Potkoi Milik is N/A.