Without identifying the demographical scenario it becomes next to impossible for any one to know about Nagavakulam and its demography. Over the years eminent demographers have conducted numerous surveys and thus inferred reports accordingly. In this regard, a special mentioning may be made of the Census report of India that has been brought out in the year 2001. According to this report, the total population has been enumerated to be 17,579. Out of it, male populace constitutes 51 % , while the total population of females comprises of 49 % only. In Nagavakulam, 7 % of the total population is below six years of age.
Literacy rate acts as vital information about Nagavakulam. As has been mentioned, the average literacy rate of Nagavakulam constitutes 80 %, which is even higher than 59.5 %, India's average literacy rate. Specifications about male and female literacy rates of Nagavakulam are significant. In other words, 83 %, and 77 % are male and female literacy rates respectively.