As of 2001 India census Yelahanka had a population of 93,263. Males constituted 54% of the population and females 46%. The literacy rate was 75%, higher than the national average of 59.5%: male literacy was 80%, and female literacy was 68%. Eleven percent of the population were under 6 years of age.

As per recent estimates, the population of Yelahanka has risen to about 300,000 in 2011