Cornwall Cornwall Cornwall (; ) is a county in South West England in the United Kingdom. The county is bordered to the north and west by the Celtic Sea, to the south by the English Channel, and to the east by the county of Devon, over the River Tamar which forms most of the border between them. Cornwall forms the westernmost part of the South West Peninsula of the island of Great Britain. The furthest southwestern point of the island is Land's End; the southernmost point is Lizard Point. Cornwall has a population of and covers an area of . The
Civil parishes in Cornwall England. Population sizes within the county vary considerably, Falmouth is the most populous with a population of 25,223, recorded in 2001, and St Michael's Mount the least with 29 residents. The county is governed by two separate unitary authorities; Cornwall Council covers mainland Cornwall and the Isles of Scilly are administered by their own unitary authority. Parishes arose from Church of England divisions, and were originally purely ecclesiastical. Over time they acquired civil administration powers. The Highways Act 1555 made parishes responsible for the upkeep of roads. Every adult inhabitant of the parish was obliged to work four days a