Mairag Khurd is a village in Pratappur tehsil in district of Chatra, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Mairag Khurd was 1,365 which includes 698 males and 667 females. Mairag Khurd covers 221 ha area. Pincode of Mairag Khurd is 825404.