Marhia Tetaria is a village in Sonbarsa tehsil in district of Sitamarhi, Bihar, India. As per the data provided by Census of India in 2011, total population of Marhia Tetaria was 5,658 which includes 2,972 males and 2,686 females. Marhia Tetaria covers 409.77 ha area. Pincode of Marhia Tetaria is 843317.