Parliamentary constituencies in Lancashire

Two seats cross the county boundary - one is shared with Cumbria and one with Merseyside.

† Conservative ‡ Labour   The Speaker   ±Reform UK   ¤Liberal Democrat   ¥Green   Independent (Independent) 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 Lancashire with Cumbria as a sub-region of the North West Region, with the existing seat of Morecambe and Lunesdale extending into southern Cumbria to create a cross-county boundary constituency.

Wyre and Preston North was abolished, with its contents being distributed to five neighbouring constituencies.

[3] Four wards in the borough of West Lancashire were incorporated into the Merseyside constituency of Southport.

Primary data source: House of Commons research briefing - General election results from 1918 to 2019[6] The number of votes cast for each political party who fielded candidates in constituencies comprising Lancashire in the 2024 general election were as follows:[nb 5] 11983 & 1987 - SDP-Liberal Alliance 2Standing in Chorley, unopposed by the 3 main parties.