Siroi Khurd is a village in Ranka tehsil in district of Garhwa, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Siroi Khurd was 1,950 which includes 985 males and 965 females. Siroi Khurd covers 750 ha area. Pincode of Siroi Khurd is 822125.