Gasupur is a village in Siana tehsil in district of Bulandshahr, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Gasupur was 3,458 which includes 1,776 males and 1,682 females. Gasupur covers 207.41 ha area. Pincode of Gasupur is 245403.