County Borough of Southend-on-Sea County Borough of Southend-on-Sea Southend-on-Sea was a local government district from 1866 to 1974 around the seaside resort of Southend-on-Sea in Essex, England. Southend adopted the Local Government Act 1858 and a local board was established in 1866. It became an urban sanitary district in 1875. It was incorporated as a municipal borough in 1892. The name was changed from Southend to Southend-on-Sea in 1893. It gained the status of county borough in 1914. The local government district originally consisted of the South End of the parish of Prittlewell. This became a separate parish of St John the Baptist for
Clacton (UK Parliament constituency) East London such as Barking and Dagenham, leading to the town of Clacton becoming known as "Little Dagenham." The stark exception is the village of Jaywick, which suffers from extremely high levels of deprivation. In Both the Indices of deprivation 2010 and 2015, an area of Jaywick was identified as the single most deprived LSOA in all of England, out of around 32,000, with unemployment estimated at almost 50%. Many homes are essentially beach huts and lack basic amenities. In the 2007 Index, this area was the third-most deprived in the country. The constituency's Member of Parliament until 3 April