Zekmasu Thekan is a village in Rupa tehsil in district of West Kameng, Arunachal Pradesh, India. As per the data provided by Census of India in 2011, total population of Zekmasu Thekan was 155 which includes 81 males and 74 females. Zekmasu Thekan covers 27 ha area. Pincode of Zekmasu Thekan is N/A.