Mehsaul is a village in Runisaidpur tehsil in district of Sitamarhi, Bihar, India. As per the data provided by Census of India in 2011, total population of Mehsaul was 6,381 which includes 3,338 males and 3,043 females. Mehsaul covers 622 ha area. Pincode of Mehsaul is N/A.