Piravanthur is a village in Pathanapuram tehsil in district of Kollam, Kerala, India. As per the data provided by Census of India in 2011, total population of Piravanthur was 22,380 which includes 10,584 males and 11,796 females. Piravanthur covers 6907 ha area. Pincode of Piravanthur is 689696.