Harpur Kalan is a village in Nichlaul tehsil in district of Mahrajganj, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Harpur Kalan was 1,249 which includes 635 males and 614 females. Harpur Kalan covers 159.05 ha area. Pincode of Harpur Kalan is N/A.