Lapchu Khasmahal is a village in Rangli Rangliot tehsil in district of Darjiling, West Bengal, India. As per the data provided by Census of India in 2011, total population of Lapchu Khasmahal was 795 which includes 394 males and 401 females. Lapchu Khasmahal covers 110.07 ha area. Pincode of Lapchu Khasmahal is 734313.