Jamunajapong Than is a village in Phuloni tehsil in district of Karbi Anglong, Assam, India. As per the data provided by Census of India in 2011, total population of Jamunajapong Than was 609 which includes 310 males and 299 females. Jamunajapong Than covers 17 ha area. Pincode of Jamunajapong Than is N/A.