Serumangalam I is a village in Mannargudi tehsil in district of Thiruvarur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Serumangalam I was 4,683 which includes 2,323 males and 2,360 females. Serumangalam I covers 887.48 ha area. Pincode of Serumangalam I is 614014.