Semmalapatti is a village in Ponnamaravathi tehsil in district of Pudukkottai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Semmalapatti was 490 which includes 242 males and 248 females. Semmalapatti covers 261.44 ha area. Pincode of Semmalapatti is 622401.