Dereham, also known as East Dereham, is a town and civil parish in the Breckland District and English county of Norfolk. It is situated on the A47 road, about 15 miles (25 km) west of the city of Norwich and 25 miles (40 km) east of King's Lynn. The civil parish has an area of 21.51 km2 and in the 2001 census had a population of 15,659 in 6,941 households, the population at the 2011 Census increasing to 18,609. Dereham falls within, and is the centre of administration for, Breckland District Council. The town should not be confused with the Norfolk village of West Dereham, which lies about 25 miles (40 km) away.