Sembimadevi is a village in Ulundurpettai tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Sembimadevi was 1,528 which includes 805 males and 723 females. Sembimadevi covers 557.62 ha area. Pincode of Sembimadevi is 607202.