1918–1950: The Municipal Borough of Todmorden, the Urban Districts of Barkisland, Hebden Bridge, Luddendenfoot, Midgley, Mytholmroyd, Rishworth, Sowerby, Sowerby Bridge, and Soyland, the Rural District of Todmorden, and the civil parish of Norland in the Rural District of Halifax.
1950–1983: The Municipal Borough of Todmorden, the Urban Districts of Elland, Hebden Royd, Ripponden, and Sowerby Bridge, and the Rural District of Hepton.
* An official Unionist candidate was selected ahead of the election, but when the writ for the election was issued, the Coalition Whips ordered the local Unionists to withdraw the candidate in favour of Higham – who was given the Coalition Coupon but then repudiated it.
Some local Unionists were angered by this state of affairs, and persuaded the local branch of the NADSS to sponsor Barker, who was known to be a Conservative. Barker then received considerable support from local Unionists during the campaign. There is no information on whether he took a whip in the House of Commons, but he voted fairly consistently with the coalition.
Another General Election was required to take place before the end of 1940. The political parties had been making preparations for an election to take place from 1939 and by the end of this year, the following candidates had been selected;