Kaldi Pathar is a village in Sarthebari tehsil in district of Barpeta, Assam, India. As per the data provided by Census of India in 2011, total population of Kaldi Pathar was 407 which includes 203 males and 204 females. Kaldi Pathar covers 259.45 ha area. Pincode of Kaldi Pathar is N/A.