List of parliamentary constituencies in Cambridgeshire

The ceremonial county of Cambridgeshire (which includes the area of the Peterborough unitary authority) is divided into eight parliamentary constituencies. There is one borough constituency and seven county constituencies, which each elect one Member of Parliament to represent it in the Parliament of the United Kingdom.

2024
Following the abandonment of the Sixth Periodic Review (the 2018 review), the Boundary Commission for England formally launched the 2023 Review on 5 January 2021. Initial proposals were published on 8 June 2021 and, following two periods of public consultation, revised proposals were published on 8 November 2022. The final proposals were published on 28 June 2023.

The commission proposed that the number of seats in Cambridgeshire be increased from 7 to 8, with the creation of the constituency of St Neots and Mid Cambridgeshire, resulting in significant changes to Huntingdon, North West Cambridgeshire, South Cambridgeshire and South East Cambridgeshire ( renamed Ely and East Cambridgeshire).

The following seats are proposed:

Containing electoral wards in Cambridge


 * Cambridge
 * South Cambridgeshire (part)

Containing electoral wards in East Cambridgeshire


 * Ely and East Cambridgeshire (part)

Containing electoral wards in Fenland


 * North East Cambridgeshire

Containing electoral wards in Huntingdonshire


 * Huntingdon
 * North West Cambridgeshire (part)
 * St Neots and Mid Cambridgeshire (part)

Containing electoral wards in Peterborough


 * North West Cambridgeshire (part)
 * Peterborough

Containing electoral wards in South Cambridgeshire


 * Ely and East Cambridgeshire (part)
 * St Neots and Mid Cambridgeshire (part)
 * South Cambridgeshire (part)

2010
The 2007 report of the Boundary Commission for England retained the same seven constituencies that had existed since the 1997 election, with minor boundary changes to align with current local government wards and to better equalise the electorates. These changes, which were implemented at the 2010 general election, included the transfer back of Thorney and Eye from North East Cambridgeshire to Peterborough, the return of the Cambridge ward of Trumpington from South Cambridgeshire to the Cambridge constituency, and small transfers of rural wards from North West Cambridgeshire to Huntingdon, and from South East Cambridgeshire to South Cambridgeshire.

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 Cambridgeshire in the 2024 general election were as follows:

2019
The number of votes cast for each political party who fielded candidates in constituencies comprising Cambridgeshire in the 2019 general election were as follows:

Percentage votes
11983 & 1987 - SDP-Liberal Alliance

2As the Brexit Party in 2019

* Included in Other

Seats
11983 & 1987 - SDP-Liberal Alliance

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.

1950 to 1983
1transferred from Northamptonshire