Diara Siswan is a village in Bairia tehsil in district of Ballia, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Diara Siswan was 413 which includes 229 males and 184 females. Diara Siswan covers 499.41 ha area. Pincode of Diara Siswan is N/A.