Janlongboredih is a village in Kuchai tehsil in district of Saraikela Kharsawan, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Janlongboredih was 912 which includes 462 males and 450 females. Janlongboredih covers 812 ha area. Pincode of Janlongboredih is 833101.