This page has information on Allerdale in the County of Cumbria, North West England, UK.
Allerdale Borough is a local government district in Cumbria. Historically, it is part of the old English county of Cumberland. The council is in Workington and the borough as a whole has over 93,000 residents, as recorded in the 2001 census. It covers an area of approximately 1242 square kilometres.
The District of Allerdale was formed on 1 April 1974 by the merger of Workington municipal borough, urban districts - Maryport, Cockermouth and Keswick, and rural districts - Cockermouth and Wigton, under the Local Government Act of 1972. Allerdale was granted borough status in 1995.
Its name comes from the ancient region of Allerdale, which has more recently been the two wards of Cumberland - named Allerdale below Derwent and Allerdale above Derwent.