Viswanathapuri is a village in Aravakurichi tehsil in district of Karur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Viswanathapuri was 1,105 which includes 511 males and 594 females. Viswanathapuri covers 297.99 ha area. Pincode of Viswanathapuri is 639002.