Rajakumari is a village in Idukki district in the Indian state of Kerala.
As of 2011 Census, Rajakumari had a population of 16,253 with 8,127 males and 8,126 females. Rajakumari village has an area of with 4,233 families residing in it. In Rajakumari, 8.8% of the population was under 6 years of age. Rajakumari had an average literacy of 89.5% higher than the national average of 74% and lower than state average of 94%.
Rajakumari is one of the few places in Kerala where all kinds of crops are grown. The main Cultivations of Rajakumari are cardamom and pepper.