Katajar Pathar is a village in Barnagar tehsil in district of Barpeta, Assam, India. As per the data provided by Census of India in 2011, total population of Katajar Pathar was 6,388 which includes 3,312 males and 3,076 females. Katajar Pathar covers 516.8 ha area. Pincode of Katajar Pathar is 781315.