Lakhniapur is a village in Laharpur tehsil in district of Sitapur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Lakhniapur was 2,698 which includes 1,459 males and 1,239 females. Lakhniapur covers 314.18 ha area. Pincode of Lakhniapur is 261136.