Unnamalaikadai is a panchayat town in Kanya Kumari district in the Indian state of Tamil Nadu.

The Unnamalaikadai Town Panchayat has population of 23,656 of which 11,795 are males while 11,861 are females as per report released by Census India 2011.

Moreover, Child Sex Ratio in Unnamalaikadai is around 922 compared to Tamil Nadu state average of 943.

Unnamalaikadai Town Panchayat has total administration over 5,969 houses to which it supplies basic amenities like water and sewerage.

It is also authorize to build roads within Town Panchayat limits and impose taxes on properties coming under its jurisdiction.

The landmark of this area is opposite to Child Jesus Matriculation Higher Secondary School.