As of 2001[update] India census,[2] Kalanaur had a population of 16,847. Males constitute 53% of the population and females 47%. Kalanaur has an average literacy rate of 65%, higher than the national average of 59.5%: male literacy is 72%, and female literacy is 58%. In Kalanaur, 15% of the population is under 6 years of age.
According to 2011 Kalanaur had population of 22,752.