Korlahi Haranarayan 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 Korlahi Haranarayan was 2,431 which includes 1,280 males and 1,151 females. Korlahi Haranarayan covers 120.2 ha area. Pincode of Korlahi Haranarayan is 843117.