Koiridih is a village in Sariya tehsil in district of Giridih, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Koiridih was 3,725 which includes 1,918 males and 1,807 females. Koiridih covers 488.66 ha area. Pincode of Koiridih is 825320.