Muduvalaikudi is a village in Avudayarkoil tehsil in district of Pudukkottai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Muduvalaikudi was 138 which includes 54 males and 84 females. Muduvalaikudi covers 109.47 ha area. Pincode of Muduvalaikudi is 614621.