Vaitheeswarankoil is a panchayat town in Mayiladuthurai district in the Indian state of Tamil Nadu.

As of 2001[update] India census,[1] Vaitheeswarankoil had a population of 7522.

Males constitute 50% of the population and females 50%.

Vaitheeswarankoil has an average literacy rate of 73%, higher than the national average of 59.5%: male literacy is 80%, and female literacy is 67%.

In Vaitheeswarankoil, 11% of the population is under 6 years of age.