Koonimedu is a village in Tindivanam tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Koonimedu was 7,528 which includes 3,545 males and 3,983 females. Koonimedu covers 1885.94 ha area. Pincode of Koonimedu is 604303.