Siga 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 Siga Majgaon was 157 which includes 82 males and 75 females. Siga Majgaon covers 36 ha area. Pincode of Siga Majgaon is 787060.