Due to the diligence of quite a number of demographers of Indian Territory it has been possible for any layman to get first hand knowledge about the demography of Kantabanji. In other words knowing its demography is a must if he wants to know about the town completely.
Especially the Census report of India that has been issued forth in the year 2001 is significant. Thus it highlights demographical data that are related to Kantabanji like population status, literacy rate etc. According to this report, the total population of Kantabanji has been enumerated to be 20,090. Following the usual trait of the nation, here also the number of females are less in number than their male counterparts. 52 percent and 48 percent are the male and female populace of Kantabanji respectively. In Kantabanji, children below six years of age constitutes of 13 percent of the population.
Information about the literacy status of Kantabanji too is quite significant. The average literacy rate of Kantabanji, constituting 66 percent is enough to prove the growth and development of the town. The reason is that the literacy rate is an indicator of a place's development. Since the average literacy rate of Kantabanji is higher than that of India, which constitutes of 59.5 percent, it also confirms the Kantabanji's progress and development. To be specific, rate of male literacy constitutes of 74 percent. However the female literacy rate is 56 percent.