 The town was then part of the county constituency of Buckinghamshire.From 1885 it was in the Aylesbury constituency, in 1950 it formed part of the South Buckinghamshire seat and in 1974 the current Chesham and Amersham constituency was created.Since then Ian Gilmour (1974–1992) and then Cheryl Gillan have represented the constituency on behalf of the Conservative party.