G Usilampatti is a village in Andipatti tehsil in district of Theni, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of G Usilampatti was 2,376 which includes 1,169 males and 1,207 females. G Usilampatti covers 577.76 ha area. Pincode of G Usilampatti is 625517.