Sastaul Urf Siswan is a village in Jandaha tehsil in district of Vaishali, Bihar, India. As per the data provided by Census of India in 2011, total population of Sastaul Urf Siswan was 1,385 which includes 721 males and 664 females. Sastaul Urf Siswan covers 58 ha area. Pincode of Sastaul Urf Siswan is N/A.