† Conservative ‡ Labour ¤ Reform UK See 2023 Periodic Review of Westminster constituencies for further details.For the 2023 Periodic Review of Westminster constituencies, which redrew the constituency map ahead of the 2024 United Kingdom general election, the Boundary Commission for England opted to combine the unitary authority of County Durham with the Tyne and Wear boroughs of Gateshead, South Tyneside and Sunderland as a sub-region of the North East Region, with the creation of a cross-county boundary constituency named Blaydon and Consett, resulting in the abolition of North West Durham.The reconfigured Sedgefield constituency was renamed Newton Aycliffe and Spennymoor.Primary data source: House of Commons research briefing – General election results from 1918 to 2019[4] The number of votes cast for each political party who fielded candidates in constituencies comprising Durham in the 2024 general election were as follows: The number of votes cast for each political party who fielded candidates in constituencies comprising Durham in the 2019 general election were as follows: 1As the Brexit Party in 2019 21983 & 1987 – SDP–Liberal Alliance * Included in Other A cell marked → (with a different colour background to the preceding cell) indicates that the previous MP continued to sit under a new party name.Fresh by-election held June 1910, won by Stephen Furness.
Parliamentary constituencies in Durham (2010–2024)
Parliamentary constituencies in Durham (2024–present)
Parliamentary constituencies in Durham (1997–2010)
Parliamentary constituencies in Durham (2010–2024)