Makunahia is a village in Sursand tehsil in district of Sitamarhi, Bihar, India. As per the data provided by Census of India in 2011, total population of Makunahia was 3,341 which includes 1,782 males and 1,559 females. Makunahia covers 148.2 ha area. Pincode of Makunahia is 843331.