Kalappaipatti is a village in Ottapidaram tehsil in district of Thoothukkudi, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kalappaipatti was 1,738 which includes 849 males and 889 females. Kalappaipatti covers 1605.82 ha area. Pincode of Kalappaipatti is 627352.