As of the 2001 census report, Ethapur had a population of 10,054 inhabitants. Males and females constitute an equal proportion of the population. In Ethapur, 11% of the population is less than six years of age. Ethapur has an average literacy rate of 67%, which is higher than the national average literacy rate of 59.5%. The male literacy rate is 75% while the female literacy rate is 59%.
The main attraction of this village is the Sambamoortheeswarar Temple. Belur lying in the west at a distance of 8 km. with the famous Arulmigu Thanthonreeswarar Temple is another attraction in the vicinity. Attur known for an old fort is located at a distance of 17 km. from Ethapur.