|Time zone||IST (UTC+5:30)|
As of 2001[update] India census, 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.
- "Census of India 2001: Data from the 2001 Census, including cities, villages and towns (Provisional)". Census Commission of India. Archived from the original on 2004-06-16. Retrieved 2008-11-01.