Koviladi is a village in Thiruvaiyaru tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Koviladi was 3,700 which includes 1,829 males and 1,871 females. Koviladi covers 970.47 ha area. Pincode of Koviladi is 613105.