Since it is not possible to know a city properly without identifying its demographical situation, many demographers have worked hard towards that. Thus they have derived several data related to the demography of the Herohalli. The Census report that came out in the year 2001 is quite relevant. According to the report, the total population of the town of Herohalli has been enumerated to be 18,066. The status of males, females and also children can be known from it. For instance the males comprise of 53 percent, while the population of females constitutes of 47 percent. In Herohalli town , children below six years of age comprises of 13 percent .
As far as the literacy rate of Herohalli is concerned , it is worth noting that average literacy rate is higher than the national average . In other words, the average literacy rates of Herohalli and India are 72 and 59.5 percent respectively. Out of it, male literacy is 78 percent and female literacy constitutes of 65 percent.