Keighley has been part of the new City of Bradford Metropolitan District Council since April 1 , 1974 .
The 1842 Leeds Directory description of Keighley reads `` Its parish had no dependent townships though it is about six miles long and four broad , and comprises of land ( including a peaty moor of about 2,000 acres ) and a population which amounted , in the year 1801 , to 5,745 . `` The town became a municipal borough in 1882 , but was merged into the Metropolitan Borough of Bradford in 1974 under the Local Government Act .
Keighley