Kulithalai comes under the Kulithalai assembly constituency which elects a member to the Tamil Nadu Legislative Assembly once every five years and it is a part of the Perambalur (Lok Sabha constituency) which elects its Member of Parliament (MP) once in five years. The town is administered by the Kulithalai municipality, which covers an area of . As of 2011, the town had a population of 27,910. The town is a part of the fertile Cauvery delta region and agriculture is the major occupation. Roadways are the major mode of transportation to Kulithalai and the town also has rail connectivity. The nearest Airport is Tiruchirapalli Airport, located away from the town