Nalam Kolbong is a village in Namchi tehsil in district of South District, Sikkim, India. As per the data provided by Census of India in 2011, total population of Nalam Kolbong was 1,013 which includes 514 males and 499 females. Nalam Kolbong covers 125.84 ha area. Pincode of Nalam Kolbong is 737132.