Clevedon is an English seaside town and civil parish in the unitary authority of North Somerset, part of the ceremonial county of Somerset. It recorded a parish population of 21,281 in the United Kingdom Census 2011, estimated at 21,442 in 2019. It lies along the Severn Estuary, among small hills that include Church Hill, Wain's Hill, Dial Hill, Strawberry Hill, Castle Hill, Hangstone Hill and Court Hill, a Site of Special Scientific Interest with overlaid Pleistocene deposits. It features in the Domesday Book of 1086. Clevedon grew in the Victorian period as a seaside resort and in the 20th century as a dormitory town for Bristol.