In order to throw light on the identifiable features of Killlai it becomes imperative for a person to gather information about the demography of the concerned town. In this regard, one needs to mention about the Census report that has been issued forth in the year 2001. Data like literacy status, population etc can be deciphered from it. According to this report, the total population of Killlai has been measured to be 10,186. Interestingly in Killlai the number of males is less than their female counterparts. This is evident from the literacy rates of Killlai. In other words, male literacy rate constitutes 49 % while the population of females constitutes 51 %. In Killlai, 14% of the population is below six years of age.
Literacy rate is regarded as relevant information about Killlai town. It is to be noted that the average literacy rate of Killlai is 57 %. Thus it is lower than that of India, which constitutes 59.5 %. Moreover there is a difference between male and female literacy rates. Male literacy rate constitutes 66 %. In Killlai, female literacy is 49 %.