Koohanur is a village in Aranthangi tehsil in district of Pudukkottai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Koohanur was 1,657 which includes 845 males and 812 females. Koohanur covers 342.69 ha area. Pincode of Koohanur is 614616.