Patkoikalan 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 Patkoikalan was 3,083 which includes 1,580 males and 1,503 females. Patkoikalan covers 514 ha area. Pincode of Patkoikalan is 855115.