Parliamentary constituencies in Cornwall

The ceremonial county of Cornwall, which includes the Isles of Scilly, is divided into six parliamentary constituencies.

In the 2019 election, Labour retained their position as the second-placed party in most of the Cornish seats, holding their vote up far better in the region than elsewhere in the country.

Labour † Conservative ‡ Liberal Democrat ¤ Isles of Scilly See 2023 Periodic Review of Westminster constituencies for further details.

[4] Under the Fifth Periodic Review of Westminster constituencies, the Boundary Commission for England decided to increase the number of seats which covered Cornwall from 5 to 6.

(Feb) (Oct) 1Includes Constitutionalist in 1924 and National Liberal Party up to 1966 2pre-1979 – Liberal; 1983 & 1987 – SDP-Liberal Alliance 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.

A small constituency. It is situated in the south west of the county, although it borders another constituency located further south west.
A large constituency in the north of the county.
A medium-sized constituency found in the south east of the county.
A medium constituency located in the center of the county.
A medium constituency located in the extreme south west of the county.
A medium constituency located in the centre of the county. Due to the elongated shape of the county, no constituencies border it to the north or the south despite its central location.
Parliamentary constituencies in Cornwall (2010-2024)
Parliamentary constituencies in Cornwall (2010-2024)
Parliamentary constituencies in Cornwall (2024-present)
Parliamentary constituencies in Cornwall (2024-present)
Parliamentary constituencies in Cornwall
Parliamentary constituencies in Cornwall
Proposed Revised constituencies in Cornwall
Proposed Revised constituencies in Cornwall