Lamajan Majgaon is a village in Jonai tehsil in district of Dhemaji, Assam, India. As per the data provided by Census of India in 2011, total population of Lamajan Majgaon was 347 which includes 180 males and 167 females. Lamajan Majgaon covers 150 ha area. Pincode of Lamajan Majgaon is 787060.