It is located a few kilometres east of Kasaragod, south of the Chandragiri River and west of the Kudumbur River, along National Highway 66.

It covers 15.42 square kilometres (5.95 sq mi).

As of 2011, Thekkil had a population of 14,299 people, of which 6,852 were male and 7,447 were female.

The census reported 2,822 households in Thekkil.

This article related to a location in Kasaragod district, Kerala, India is a stub.