Sherborne is a market town in northwest Dorset, England. It is sited on the River Yeo, on the edge of the Blackmore Vale, 6 miles (9.7 km) east of Yeovil. The A30 road, which connects London to Penzance, runs through the town. In the 2011 census the population of Sherborne parish was 9,523. 28.7% of the population is aged 65 or older.Sherborne's historic buildings include Sherborne Abbey, its manor house, independent schools, and two castles: the ruins of a 12th-century fortified palace and the 16th-century mansion known as Sherborne Castle built by Sir Walter Raleigh. Much of the old town, including the abbey and many medieval and Georgian buildings, is built from distinctive ochre-coloured ham stone.The town is served by Sherborne railway station.