Periakrishnapuram is a village in Udayarpalayam tehsil in district of Ariyalur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Periakrishnapuram was 5,565 which includes 2,787 males and 2,778 females. Periakrishnapuram covers 974.56 ha area. Pincode of Periakrishnapuram is 621805.