The ceremonial county of Lancashire, which includes the unitary authorities of Blackburn with Darwen and Blackpool, is divided into sixteen parliamentary constituencies - eight borough constituencies and eight county constituencies.

Constituencies

  † Conservative   ‡ Labour

Constituency[nb 1]	Electorate[1]	Majority[2][nb 2]	Member of Parliament[2]		Nearest opposition[2]		Map
Blackburn BC	71,234	18,304		Kate Hollern‡		Claire Gill†
Blackpool North and Cleveleys BC	63,692	8,596		Paul Maynard†		Chris Webb‡
Blackpool South BC	57,690	3,690		Scott Benton†		Gordon Marsden‡
Burnley BC	64,345	1,352		Antony Higginbotham†		Julie Cooper‡
Chorley CC	78,177	17,392		Lindsay Hoyle (The Speaker)		Mark Brexit-Smith (Independent)
Fylde CC	66,847	16,611		Mark Menzies†		Martin Mitchell‡
Hyndburn BC	70,842	2,961		Sara Britcliffe†		Graham Jones‡
Lancaster and Fleetwood CC	70,059	2,380		Cat Smith‡		Louise Thistlethwaite†
Morecambe and Lunesdale CC	67,397	6,354		David Morris†		Lizzi Collinge‡
Pendle BC	65,292	6,186		Andrew Stephenson†		Azhar Ali‡
Preston BC	59,672	12,146		Mark Hendrick‡		Michele Scott†
Ribble Valley CC	79,247	18,439		Nigel Evans†		Giles Bridge‡
Rossendale and Darwen BC	72,770	9,522		Jake Berry†		Alyson Barnes‡
South Ribble CC	75,351	11,199		Katherine Fletcher†		Kim Snape‡
West Lancashire CC	73,347	8,336		Ashley Dalton‡		Mike Prendergast†
Wyre and Preston North CC	74,775	16,781		Ben Wallace†		Joanne Ainscough‡

2010 boundary changes

Under the Fifth Periodic Review of Westminster constituencies, the Boundary Commission for England decided to increase Lancashire's representation from 15 to 16 constituencies, with the creation of Wyre and Preston North CC. Lancaster and Wyre was reconfigured and became Lancaster and Fleetwood, and Blackpool North and Fleetwood became Blackpool North and Cleveleys. Other changes were made to realign constituency boundaries with the boundaries of current local government wards, and to reduce the electoral disparity between constituencies.

Former name	Boundaries 1997-2010	Current name	Boundaries 2010–present
Blackburn BC Blackpool North and Fleetwood BC Blackpool South BC Burnley BC Chorley CC Fylde CC Hyndburn BC Lancaster and Wyre CC Morecambe and Lunesdale CC Pendle BC Preston BC Ribble Valley CC Rossendale and Darwen BC South Ribble CC West Lancashire CC		Blackburn BC Blackpool North and Cleveleys BC Blackpool South BC Burnley BC Chorley CC Fylde CC Hyndburn BC Lancaster and Fleetwood CC Morecambe and Lunesdale CC Pendle BC Preston BC Ribble Valley CC Rossendale and Darwen BC South Ribble CC West Lancashire CC Wyre and Preston North CC

Proposed boundary changes

See 2023 Periodic Review of Westminster constituencies for further details

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.^[3] 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 has proposed that Lancashire be combined 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 would be abolished, with its contents being distributed to five neighbouring constituencies. As a consequence, Lancaster and Fleetwood, and Blackpool North and Cleveleys would revert back to the previous names of Lancaster and Wyre, and Blackpool North and Fleetwood respectively. Other proposed changes include the expansion of Pendle to become Pendle and Clitheroe.^[4] Four wards in the borough of West Lancashire would be included in the Merseyside constituency of Southport.^[5][6]

The following constituencies are proposed:

Containing electoral wards from Blackburn with Darwen

• Blackburn
• Rossendale and Darwen (part)

Containing electoral wards from Blackpool

• Blackpool North and Fleetwood (part)
• Blackpool South

Containing electoral wards from Burnley

• Burnley (part)

Containing electoral wards from Chorley

• Chorley
• South Ribble (part)

Containing electoral wards from Fylde

• Fylde (part)

Containing electoral wards from Hyndburn

• Hyndburn (part)

Containing electoral wards from Lancaster

• Lancaster and Wyre (part)
• Morecambe and Lunsdale (part also in District of South Lakeland in Cumbria)

Containing electoral wards from Pendle

• Burnley (part)

• Pendle and Clitheroe (part)

Containing electoral wards from Preston

• Preston
• Ribble Valley (part)

Containing electoral wards from Ribble Valley

• Pendle and Clitheroe (part)

• Ribble Valley (part)

Containing electoral wards from Rossendale

• Hyndburn (part)
• Rossendale and Darwen (part)

Containing electoral wards from South Ribble

• Ribble Valley (part)
• South Ribble (part)

Containing electoral wards from West Lancashire

• Southport (part also in the Merseyside borough of Sefton)
• West Lancashire

Containing electoral wards from Wyre

• Blackpool North and Fleetwood (part)
• Fylde (part)
• Lancaster and Wyre (part)

Results history

Primary data source: House of Commons research briefing - General election results from 1918 to 2019^[7]

2019

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

Party	Votes	%	Change from 2017	Seats	Change from 2017
Conservative	331,248	46.2%	1.2%	11	3
Labour	270,733	37.8%	10.4%	4	4
Liberal Democrats	37,268	5.2%	1.5%	0	0
Greens	19,707	2.8%	1.5%	0	0
Brexit	16,188	2.3%	new	0	0
Others1	41,323	5.7%	3.9%	1	1
Total	716,467	100.0		16

¹Includes The Speaker, Lyndsay Hoyle, standing in Chorley

Percentage votes

¹1983 & 1987 - SDP-Liberal Alliance

²Standing in Chorley, unopposed by the 3 main parties.

* Included in Other

Seats

¹1983 & 1987 - SDP-Liberal Alliance

²Lindsay Hoyle

Maps

1885-1910

• 
  1885
• 
  1886
• 
  1892
• 
  1895
• 
  1900
• 
  1906
• 
  Jan 1910
• 
  Dec 1910

1918-1945

• 
  1918
• 
  1922
• 
  1923
• 
  1924
• 
  1929
• 
  1931
• 
  1935
• 
  1945

1950-1979

• 
  1950
• 
  1951
• 
  1955
• 
  1959
• 
  1964
• 
  1966
• 
  1970
• 
  Feb 1974
• 
  Oct 1974
• 
  1979

1983-present

• 
  1983
• 
  1987
• 
  1992
• 
  1997
• 
  2001
• 
  2005
• 
  2010
• 
  2015
• 
  2017
• 
  2019

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

Lancashire area

  Conservative   Labour   Liberal   Liberal-Labour   Liberal Unionist

Manchester area

  Conservative   Independent Labour   Labour   Liberal   Liberal-Labour   Liberal Unionist

Merseyside area

  Conservative   Irish Nationalist   Labour   Liberal   Liberal Unionist

1918 to 1950

Lancashire area

  Coalition Liberal (1918–1922) / National Liberal (1922–1923)   Conservative   Constitutionalist   Independent   Labour   Liberal   National Labour   National Liberal (1931–1968)

Manchester area

  Coalition Labour   Coalition Liberal (1918-22) / National Liberal (1922-23)   Conservative   Constitutionalist   Independent   Labour   Labour Independent Group   Liberal   National Government   National Liberal (1931-68)

Merseyside area

  Conservative   Irish Nationalist   Labour   Liberal   National Labour

1950 to 1983

Lancashire area

  Conservative   Labour

Manchester area

  Conservative   Labour   Liberal   Social Democratic

Merseyside area

  Conservative   Labour   Liberal   Social Democratic

1983 to present

  Conservative   Independent   Labour   Liberal Democrats   Speaker