Sirsiya is a village in Sikta tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Sirsiya was 4,711 which includes 2,491 males and 2,220 females. Sirsiya covers 357.48 ha area. Pincode of Sirsiya is 845207.