Valappakudi 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 Valappakudi was 2,420 which includes 1,217 males and 1,203 females. Valappakudi covers 134.84 ha area. Pincode of Valappakudi is 613104.