1955–1983: The Municipal Boroughs of Bridlington and Hedon, the Urban Districts of Filey, Hornsea, and Withernsea, and the Rural Districts of Bridlington and Holderness.
From 1955 to 1983, Bridlington and Hedon were municipal boroughs, while Filey, Hornsea, and Withernsea were urban districts.  Bridlington and Holderness were also rural districts during this period.