As of 2011 Census, Vellarvelly had a population of 7,769 of which 3,834 are males and 3,935 are females. Vellarvelly village spreads over area with 1,851 familiesresiding in it. The sex ratio of Vellarvelly was 1,026 lower than state average of 1,084. Population of children in the age group 0-6 was 703 which constitutes 365 males and 338 females. Vellarvelly had an overall literacy of 95.2% higher than state average of 94%. The male literacy stands at 96.6% and female literacy was 93.9%.