Mahadeopatti is a village in Parihar tehsil in district of Sitamarhi, Bihar, India. As per the data provided by Census of India in 2011, total population of Mahadeopatti was 5,983 which includes 3,190 males and 2,793 females. Mahadeopatti covers 388.3 ha area. Pincode of Mahadeopatti is N/A.