Callington (Cornish: Kelliwik) is a civil parish and town in southeast Cornwall, England, United Kingdom about 7 miles (11 km) north of Saltash and 9 miles (14 km) south of Launceston.Callington parish had a population of 4,783 in 2001, according to the 2001 census. This had decreased slightly to 4,698 in the 2011 census.