Khairwan Malahi 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 Khairwan Malahi was 7,508 which includes 3,949 males and 3,559 females. Khairwan Malahi covers 498 ha area. Pincode of Khairwan Malahi is N/A.