Bigraon 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 Bigraon was 2,863 which includes 1,523 males and 1,340 females. Bigraon covers 456.29 ha area. Pincode of Bigraon is N/A.