Agarapettai 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 Agarapettai was 1,700 which includes 887 males and 813 females. Agarapettai covers 263.69 ha area. Pincode of Agarapettai is 613104.