Parliamentary constituencies in Dorset

† Conservative ‡ Labour ¤ Liberal Democrat 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 retain the eight current constituencies in Dorset, with minor boundary changes to reflect changes to ward boundaries following the reorganisation of local government authorities within the county.

[3] The boundary commission recommended the following seats within Dorset: Containing electoral wards from Bournemouth, Christchurch and Poole Containing electoral wards from Dorset (unitary authority)

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 Dorset in the 2024 general election were as follows:[2] Note that before 1983 Dorset did not include the Bournemouth and Christchurch areas (see below).

11950-1979: Liberal Party; 1983 & 1987 - SDP-Liberal Alliance * Included in Other Accurate vote percentages are not applicable for the 1918 election because one candidate stood unopposed.

The location of Dorset relative to England.
Map showing the location of the Bournemouth East constituency in Dorset under the boundaries created by the 2023 boundary review and first used at the 2024 general election.
Map showing the location of the Bournemouth West constituency in Dorset under the boundaries created by the 2023 boundary review and first used at the 2024 general election.
Map showing the location of the Christchurch constituency in Dorset under the boundaries created by the 2023 boundary review and first used at the 2024 general election.
Map showing the location of the Mid Dorset and North Poole constituency in Dorset under the boundaries created by the 2023 boundary review and first used at the 2024 general election.
Map showing the location of the North Dorset constituency in Dorset under the boundaries created by the 2023 boundary review and first used at the 2024 general election.
Map showing the location of the Poole constituency in Dorset under the boundaries created by the 2023 boundary review and first used at the 2024 general election.
Map showing the location of the South Dorset constituency in Dorset under the boundaries created by the 2023 boundary review and first used at the 2024 general election.
Map showing the location of the West Dorset constituency in Dorset under the boundaries created by the 2023 boundary review and first used at the 2024 general election.
Proposed revision
Proposed revision
Numbered map of the parliamentary constituencies of Dorset created by the 2023 boundary review and first used at the 2024 UK general election.