Sidmouth /ˈsɪdməθ/ is a town situated on the English Channel coast in Devon, South West England, 14 miles (23 km) east of Exeter. In 2004, it had a population of about 15,000, of whom 40% were aged 65 or over. By the time of the 2011 census the population was 12,569. It is a tourist resort and a gateway to the Jurassic Coast World Heritage Site. A large part of the town has been designated a conservation area.