Karjan Dih is a village in Marwan tehsil in district of Muzaffarpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Karjan Dih was 6,694 which includes 3,494 males and 3,200 females. Karjan Dih covers 370 ha area. Pincode of Karjan Dih is 843143.