The county of Northumberland is divided into 4 parliamentary constituencies, all of which are county constituencies.

Constituencies

Boundary changes

2024

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 Northumberland with the Tyne and Wear boroughs of Newcastle upon Tyne and North Tyneside as a sub-region of the North East Region, with the creation of two cross-county boundary constituencies, resulting in the abolition of Berwick-upon-Tweed, Blyth Valley and Wansbeck. The following seats resulted from the boundary review in Northumberland:

2010

Under the Fifth Periodic Review of Westminster constituencies, the Boundary Commission for England decided to retain Northumberland's constituencies for the 2010 election, making a very small change between Berwick-upon-Tweed and Hexham to realign constituency boundaries with the boundaries of current local government wards.

Results history

Primary data source: House of Commons research briefing - General election results from 1918 to 2019

2024

The number of votes cast for each political party who fielded candidates in constituencies comprising Northumberland in the 2024 general election were as follows:

Percentage votes

11983 & 1987 - SDP-Liberal Alliance 22019 - Brexit Party

• Included in Other

Seats

11983 & 1987 - SDP-Liberal Alliance

Maps

1885-1910

1918-1945

1950-1979

1983-present

Historical representation by party

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.

1885 to 1918

1918 to 1950

1 original 1922 victor Hilton Philipson (National Liberal) declared void due to electoral fraud. Mabel Philipson won the subsequent by-election for the Conservatives.

1950 to 1983

1983 to present

1contains areas of Tyne and Wear since 2024