Perunthottam I is a village in Sirkali tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Perunthottam I was 2,143 which includes 1,064 males and 1,079 females. Perunthottam I covers 607.57 ha area. Pincode of Perunthottam I is 609106.