Strategically it rises approximately at 12.77° N 79.42° E. It rises to a height of 138 meters or 452 feet above the mean sea level.
No discussion of a town or city becomes complete unless and until one gets acquainted with the demographical scenario of the particular town. To fulfill such goal quite a number of demographers have conducted numerous surveys and research works and thus inferred reports that are based on the facts collected from surveying. In this regard, a special mentioning may be made of the Census report that has been brought out in the year 2001.
Data viz. literacy rate, population status etc can be deciphered. According to this report, Kalavai has showed a population counting of 9761. Interestingly, in Kalavai females are more in number than that of males. In other words, male populace constitutes 49 % of the population. However the total population of females constitutes 51 %. In Kalavai town, 11 % of the total population constitutes of children who are below six years of age.
The status of literacy rate that is deduced from this Census report has thrown light on Kalavai's development. Since the average literacy rate of Kalavai comprises of 68 %, which is even higher than that of India. 59.5 % is the average literacy rate of the entire nation. Males are oriented to education and it is evident from its high male literacy rate. In other words 77 is the percentage of male literacy in Kalavai. In comparison, female literacy is much less and thus constitutes 59 %.
Sankara Mutt is a landmark of this Kalavai town. For facilitating accessibility, Kalavai has established connection with other places via rails , airports. Vellore Cantonment Railway Station and Chennai International Airport lie in close proximity. For instance, one can reach Arani and Arcot, which stretches at distances of 22 km and 20 km respectively. Also Ranipet is located 23 km away from Kalavai.
Popular villages have flourished in the adjacent region . For instance in the southern part Melpulam, Vembi, Pennagar, Kuppidichatham, Mambakkam, Valapandal are located. Chennasamudthiram, Nallur, PaneerThangal lie in the east . In the western part , Mel Netthapakkam, Agaram are found . Allalacherry, Kootroad, Mulluvadi and Keerambadi are located in the northern part. Few schools also have been built to cater to the needs of education of Kalavais's residents.