Vedaranyam comes under the Vedaranyam assembly constituency which elects a member to the Tamil Nadu Legislative Assembly once every five years and it is a part of the Nagapattinam (Lok Sabha constituency) which elects its Member of Parliament (MP) once in five years. The town is administered by the Vedaranyam municipality, which covers an area of . As of 2011, the town had a population of 34,266. Vedaranyam was a part of Thanjavur District till 1991 and Nagapattinam District from then on. The town is a part of the fertile Cauvery delta region, but salt extraction and prawn cultivation are the major occupations. Roadways are the major mode of transportation to Vedaranyam and the nearest Airport is Tiruchirapalli Airport, located away from the town. On 17/11/2018 Vedaranyam devastated by cyclone Gaja.