List of parliamentary constituencies in Cornwall
# List of parliamentary constituencies in Cornwall

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

## Parliamentary history of Cornwall

All six parliamentary seats are currently held by Conservatives, having came from holding no seats in 1997, 2001 and 2005, to gaining three of the six from the Liberal Democrats in 2010, to gaining the remaining three to hold all six Cornish seats in 2015. All six MPs were re-elected in 2017. In that election, several previous Liberal Democrat candidates, including previous MPs Andrew George and Steve Gilbert re-stood in their old seats, but failed to be re-elected. In all six seats, the Labour vote surged, pushing the Liberals into third place in four of the six seats. 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. The last Labour MP for a Cornish constituency was Candy Atherton, who held the seat of Falmouth and Camborne between 1997 and 2005.

## Constituencies

Conservative †  Labour ‡  Liberal Democrat ¤

| Constituency | Electorate | Majority | Member of Parliament | Nearest opposition | Current electoral wards | Original electoral wards |
| - | - | - | - | - | - | - |
| Camborne and Redruth | 70,250 | 8,700 | George Eustice † | Paul Farmer ‡ | Camborne Roskear & Tuckingmill Camborne Trelowarren Camborne West & Treswithian Constantine, Mabe & Mawnan Crowan, Sithney & Wendron (part) Falmouth Trescobeas & Budock (part) Four Lanes, Beacon & Troon Gwinear-Gwithian & Hayle East Hayle West Helston South & Meneage (part) Illogan & Portreath Lanner, Stithians & Gwennap (part) Mylor, Perranarworthal & Ponsanooth (part) Perranporth (part) Pool & Tehidy Redruth Central, Carharrack & St Day Redruth North Redruth South St Agnes (part) | Carrick District Council: Mount Hawke Kerrier District Council: Camborne North Camborne South Camborne West Constantine Gweek and Mawnan Illogan North Illogan South Mabe and Budock Redruth North Redruth South St Day Lanner and Carharrack Stithians Wendron Penwith District Council: Gwinear, Gwithian and Hayle East Hayle North Hayle South |
| North Cornwall | 69,935 | 14,752 | Scott Mann † | Danny Chambers ¤ | Altarnun & Stoke Climsland Bodmin St Mary's & St Leonard Bodmin St Petroc Bude Camelford & Boscastle Lanivet, Blisland & Bodmin St Lawrence Launceston North & North Petherwin Launceston South Padstow Poundstock St Teath & Tintagel Stratton, Kilkhampton & Morwenstow Wadebridge East & St Minver Wadebridge West & St Mabyn | North Cornwall District Council: Allan Altarnun Blisland and St Breward Bodmin St Mary's Bodmin St Petroc Bude Camelford Camelot Grenville Lanivet Launceston Marhamchurch North Petherwin Padstow and District Poughill and Stratton St Endellion and St Kew St Minver South Petherwin Stokeclimsland Tremaine Valency Wadebridge Week St Mary Whitstone |
| South East Cornwall | 71,825 | 20,971 | Sheryll Murray † | Gareth Derrick ‡ | Callington & St Dominic Calstock Liskeard Central Liskeard South & Dobwalls Looe East & Deviock Looe West, Pelynt, Lansallos & Lanteglos Lostwithiel & Lanreath Lynher Rame Peninsula & St Germans Roche & Bugle (part) Saltash Essa Saltash Tamar Saltash Trematon & Landrake St Cleer & Menheniot Torpoint | Caradon District Council: Callington Calstock Deviock and Sheviock Dobwalls and District Duloe Lansallos and Pelynt Landrake and St Dominick Lanteglos and St Veep Liskeard North Liskeard South Looe and St Martin Lynher Menheniot and St Ive Millbrook Rame Peninsula St Cleer and St Neot St Germans Saltash Burraton Saltash Essa Saltash Pill Saltash St Stephens Torpoint East Torpoint West Restormel Borough Council: Lostwithiel |
| St Austell and Newquay | 79,930 | 16,526 | Steve Double † | Felicity Owen ‡ | Fowey, Tywardreath & Par Mevagissey & St Austell Bay Newquay Central & Pentire Newquay Porth & Tretherras Newquay Trenance Penwithick & Boscoppa Roche & Bugle (part) St Austell Bethel & Holmbush St Austell Central & Gover St Austell Poltair & Mount Charles St Blazey St Columb Major, St Mawgan & St Wenn St Columb Minor & Colan St Dennis & St Enoder St Goran, Tregony & the Roseland (part) St Mewan & Grampound St Newlyn East, Cubert & Goonhavern (part) St Stephen-in-Brannel | Restormel Borough Council: Bethel Crinnis Edgcumbe North Edgcumbe South Fowey and Tywardreath Gannel Gover Mevagissey Mount Charles Poltair Rialton Rock St Blaise St Columb St Enoder St Ewe St Stephen Treverbyn |
| St Ives | 68,795 | 4,284 | Derek Thomas † | Andrew George ¤ | Crowan, Sithney & Wendron (part) Helston North Helston South & Meneage (part) Land's End Long Rock, Marazion & St Erth Ludgvan, Madron, Gulval & Heamoor Mousehole, Newlyn & St Buryan Mullion & St Keverne Penzance East Penzance Promenade Porthleven, Breage & Germoe St Ives, Lelant & Carbis Bay St Ives West & Towednack Isles of Scilly | Kerrier District Council: Breage and Crowan Grade-Ruan and Landewednack Helston North Helston South Meneage Mullion Porthleven and Sithney St Keverne Penwith District Council: Goldsithney Gulval and Heamoor Lelant and Carbis Bay Ludgvan and Towednack Madron and Zennor Marazion and Perranuthnoe Morvah Pendeen and St Just Penzance Central Penzance East Penzance Promenade Penzance South, St Buryan St Erth and St Hilary St Ives North St Ives South. Isles of Scilly |
| Truro and Falmouth | 76,719 | 4,561 | Cherilyn Mackrory † | Jennifer Forbes ‡ | Falmouth Arwenack Falmouth Boslowick Falmouth Penwerris Falmouth Trescobeas & Budock (part) Feock & Kea Gloweth, Malabar & Shortlanesend Lanner, Stithians & Gwennap (part) Mylor, Perranarworthal & Ponsanooth (part) Penryn Perranporth (part) Probus & St Erme St Agnes (part) St Goran, Tregony & the Roseland (part) St Newlyn East, Cubert & Goonhaven (part) Threemilestone & Chacewater Truro Boscawen & Redannick Truro Moresk & Trehaverne Truro Tregolls | Carrick District Council: Arwenack Boscawen Boslowick Carland Feock and Kea Kenwyn and Chacewater Moresk Mylor Newlyn and Goonhavern Penryn Penwerris Perranporth Probus Roseland St Agnes Tregolls Trehaverne and Gloweth Trescobeas |

## 2010 boundary review

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. Falmouth and Camborne, and Truro and St Austell were abolished and replaced by Camborne and Redruth, St Austell and Newquay, and Truro and Falmouth.

| Former name | Boundaries 1997–2010 | Current name | Boundaries 2010–present |
| - | - | - | - |
| Falmouth and Camborne CC North Cornwall CC South East Cornwall CC St Ives CC Truro and St Austell CC | Parliamentary constituencies in Cornwall | Camborne and Redruth CC North Cornwall CC South East Cornwall CC St Austell and Newquay CC St Ives CC Truro and Falmouth CC | Proposed Revised constituencies in Cornwall |

## 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. 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 recommendations were submitted to the Speaker of the House of Commons and then published on 28 June 2023.

When the final recommendations come into effect at the next general election, the six existing parliamentary constituencies in Cornwall are to be retained with the same names and relatively minor alterations compared to other parts of the country.

## Results history

Primary data source: House of Commons research briefing – General election results from 1918 to 2019

### Vote breakdown

| Year | Conservative | Conservative | Conservative | Labour | Labour | Labour | Liberal Democrats | Liberal Democrats | Liberal Democrats | Green | Green | Green | UKIP | UKIP | UKIP | Mebyon Kernow | Mebyon Kernow | Mebyon Kernow | Others | Others | Notes |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Year | Votes | % | -/+ | Votes | % | -/+ | Votes | % | -/+ | Votes | % | -/+ | Votes | % | -/+ | Votes | % | -/+ | Votes | % | Notes |
| 2019 | 173,027 | 53.8 | +5.4 | 74,392 | 23.1 | -3.6 | 62,165 | 19.3 | -4.2 | 7,129 | 2.2 | +1.1 | did not contest | did not contest | did not contest | 1,660 | 0.5 | +0.5 | 3,602 | 1.1 | |
| 2017 | 152,428 | 48.4 | +5.3 | 83,968 | 26.7 | +14.4 | 73,875 | 23.5 | +1.1 | 3,218 | 1.0 | -4.8 | 897 | 0.3 | -13.5 | did not contest | did not contest | did not contest | 323 | 0.1 | |
| 2015 | 127,079 | 43.1 | +2.2 | 36,235 | 12.3 | +3.7 | 66,056 | 22.4 | -19.4 | 17,241 | 5.8 | +4.5 | 40,785 | 13.8 | +8.9 | 5,675 | 1.9 | | 1,757 | 0.6 | |
| 2010 | 115,016 | 40.9 | +9.1 | 24,257 | 8.6 | -7.0 | 117,307 | 41.8 | -2.6 | 3,573 | 1.3 | +0.6 | 13,763 | 4.9 | -0.1 | 5,379 | 1.9 | +0.5 | 1,586 | 0.6 | |
| 2005 | 82,543 | 31.8 | -0.8 | 41,140 | 15.6 | -1.7 | 115,241 | 44.4 | -0.4 | 1,738 | 0.7 | +0.7 | 12,863 | 5.0 | +1.3 | 3,552 | 1.4 | +0.1 | 2,356 | 0.9 | |
| 2001 | 82,227 | 32.6 | +2.2 | 43,674 | 17.3 | +0.2 | 113,000 | 44.8 | +0.9 | did not contest | did not contest | did not contest | 9,290 | 3.7 | +2.7 | 3,199 | 1.3 | +0.6 | 727 | 0.3 | |
| 1997 | 85,077 | 30.4 | -12.3 | 47,913 | 17.1 | +3.2 | 123,124 | 43.9 | +2.2 | 482 | 0.2 | -0.1 | 2,926 | 1.0 | +1.0 | 1,906 | 0.7 | +0.7 | 18,779 | 6.7 | |
| 1992 | 127,678 | 42.7 | -4.6 | 41,593 | 13.9 | +1.3 | 124,553 | 41.7 | +1.7 | 1,035 | 0.3 | +0.3 | did not exist | did not exist | did not exist | did not contest | did not contest | did not contest | 4,098 | 1.4 | |
| 1987 | 131,194 | 47.3 | -2.0 | 34,994 | 12.6 | +3.7 | 111,064 | 40.0 | -0.8 | did not contest | did not contest | did not contest | did not exist | did not exist | did not exist | did not contest | did not contest | did not contest | 373 | 0.1 | |
| 1983 | 126,182 | 49.3 | -1.3 | 22,838 | 8.9 | -3.7 | 104,365 | 40.8 | +6.6 | 776 | 0.3 | -0.2 | did not exist | did not exist | did not exist | 1,151 | 0.5 | -1.1 | 677 | 0.3 | |

### Percentage votes

| Election year | 1923 | 1924 | 1929 | 1945 | 1950 | 1951 | 1955 | 1959 | 1964 | 1966 | 1970 | 1974 (Feb) | 1974 (Oct) | 1979 | 1983 | 1987 | 1992 | 1997 | 2001 | 2005 | 2010 | 2015 | 2017 | 2019 |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| $Conservative^1$ | 35.0 | 48.6 | 38.4 | 42.0 | 44.2 | 50.5 | 48.5 | 43.8 | 41.1 | 41.1 | 47.9 | 41.8 | 43.6 | 50.6 | 49.3 | 47.3 | 42.7 | 30.4 | 32.6 | 31.8 | 40.9 | 43.1 | 48.4 | 53.8 |
| Labour | 2.3 | 9.7 | 18.1 | 25.4 | 29.6 | 33.3 | 30.7 | 27.5 | 25.9 | 27.6 | 24.6 | 19.6 | 20.0 | 12.6 | 8.9 | 12.6 | 13.9 | 17.1 | 17.3 | 15.9 | 8.6 | 12.3 | 26.7 | 23.1 |
| Liberal $Democrat^2$ | 52.6 | 41.7 | 42.4 | 32.6 | 26.2 | 16.2 | 20.8 | 28.7 | 32.8 | 30.6 | 27.0 | 38.2 | 35.2 | 34.2 | 40.8 | 40.0 | 41.7 | 44.0 | 44.8 | 44.4 | 41.8 | 22.4 | 23.5 | 19.3 |
| Green Party | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | * | * | * | * | * | 1.3 | 5.8 | 1.0 | 2.2 |
| UKIP | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | * | * | * | 4.9 | 13.8 | 0.3 | – |
| Other | 10.0 | – | 1.2 | 0.4 | – | – | – | – | 0.1 | 0.7 | 0.4 | 0.4 | 1.2 | 2.6 | 1.0 | 0.1 | 1.7 | 8.6 | 5.2 | 7.9 | 2.5 | 2.5 | 0.1 | 1.6 |

$^1Includes$ Constitutionalist in 1924 and National Liberal Party up to 1966

$^21950–1979$ – Liberal; 1983 & 1987 – SDP-Liberal Alliance

* Included in Other

Meaningful vote percentages are not applicable for the elections of 1918, 1922, 1931 and 1935 since one or more seats were gained unopposed.

### Seats

| Election year | 1918 | 1922 | 1923 | 1924 | 1929 | 1931 | 1935 | 1945 | 1950 | 1951 | 1955 | 1959 | 1964 | 1966 | 1970 | 1974 (Feb) | 1974 (Oct) | 1979 | 1983 | 1987 | 1992 | 1997 | 2001 | 2005 | 2010 | 2015 | 2017 | 2019 |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| $Conservative^1$ | 2 | 2 | 0 | 5 | 0 | 3 | 4 | 3 | 4 | 4 | 4 | 4 | 3 | 2 | 4 | 3 | 3 | 4 | 4 | 4 | 3 | 0 | 0 | 0 | 3 | 6 | 6 | 6 |
| Labour | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Liberal $Democrat^2$ | 2 | 1 | 4 | 0 | 5 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 2 | 2 | 1 | 1 | 1 | 2 | 4 | 4 | 5 | 3 | 0 | 0 | 0 |
| National Liberal | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Independent Liberal | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 |

$^1Includes$ Constitutionalist in 1924 and National Liberal Party up to 1966

$^2pre-1979$ – Liberal; 1983 & 1987 – SDP-Liberal Alliance

### Maps

**1885–1910**

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

**1918–1945**

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

**1950–present**

* 1950
* 1951
* 1955
* 1959
* 1964
* 1966
* 1970
* 1974 Feb
* 1974 Oct
* 1979
* 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.

### 1832 to 1868 (14 MPs)

Conservative  Independent Liberal  Liberal  Peelite  Radical  Whig

| Constituency | 1832 | 1835 | 1837 | 38 | 40 | 1841 | 42 | 43 | 44 | 45 | 46 | 1847 | 49 | 1852 | 53 | 54 | 1857 | 58 | 1859 | 59 | 65 | 1865 | 66 | 68 |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Bodmin | Peter | C. Vivian | C. Vivian | C. Vivian | C. Vivian | C. Vivian | C. Vivian | Spry | Spry | Spry | Spry | Wyld | Wyld | Michell | Michell | Michell | J. C. Vivian | J. C. Vivian | Leveson-Gower | Leveson-Gower | Leveson-Gower | Leveson-Gower | Leveson-Gower | Leveson-Gower |
| Bodmin | Spry | Spry | → | → | → | Gardner | Gardner | Gardner | Gardner | Gardner | Gardner | Lacy | Lacy | Graves-Sawle | Graves-Sawle | Graves-Sawle | Wyld | Wyld | Michell | Wyld | Wyld | Wyld | Wyld | Wyld |
| Cornwall Eastern | Molesworth | Molesworth | R. H. Vivian | R. H. Vivian | R. H. Vivian | W. Rashleigh | W. Rashleigh | W. Rashleigh | W. Rashleigh | W. Rashleigh | W. Rashleigh | T. J. Agar-Robartes | T. J. Agar-Robartes | T. J. Agar-Robartes | T. J. Agar-Robartes | T. J. Agar-Robartes | T. J. Agar-Robartes | T. J. Agar-Robartes | → | → | → | → | → | → |
| Cornwall Eastern | W. Salusbury-Trelawny | W. Salusbury-Trelawny | Eliot | Eliot | Eliot | Eliot | Eliot | Eliot | Eliot | Pole-Carew | Pole-Carew | Pole-Carew | Pole-Carew | Kendall | Kendall | Kendall | Kendall | Kendall | Kendall | Kendall | Kendall | Kendall | Kendall | Kendall |
| Cornwall Western | Wynne-Pendarves | Wynne-Pendarves | Wynne-Pendarves | Wynne-Pendarves | Wynne-Pendarves | Wynne-Pendarves | Wynne-Pendarves | Wynne-Pendarves | Wynne-Pendarves | Wynne-Pendarves | Wynne-Pendarves | Wynne-Pendarves | Wynne-Pendarves | Wynne-Pendarves | Williams | Williams | Williams | St Aubyn | → | → | → | → | → | → |
| Cornwall Western | Lemon | Lemon | Lemon | Lemon | Lemon | Boscawen-Rose | Lemon | Lemon | Lemon | Lemon | Lemon | Lemon | Lemon | Lemon | Lemon | Lemon | Davey | Davey | → | → | → | → | → | → |
| Helston | Lane-Fox | Townshend | Sackville | Sackville | Basset | R. Vyvyan | R. Vyvyan | R. Vyvyan | R. Vyvyan | R. Vyvyan | R. Vyvyan | R. Vyvyan | R. Vyvyan | R. Vyvyan | R. Vyvyan | R. Vyvyan | Trueman | Trueman | Rogers | Rogers | Rogers | Young | W. Brett | W. Brett |
| Launceston | Hardinge | Hardinge | Hardinge | Hardinge | Hardinge | Hardinge | Hardinge | Hardinge | Bowles | Bowles | Bowles | Bowles | Bowles | Percy | Percy | Percy | Percy | Percy | Haliburton | Haliburton | Haliburton | Campbell | Campbell | Lopes |
| Liskeard | C. Buller | C. Buller | C. Buller | C. Buller | C. Buller | C. Buller | C. Buller | C. Buller | C. Buller | C. Buller | C. Buller | C. Buller | Crowder | Crowder | Crowder | Grey | Grey | Grey | Osborne | Osborne | Osborne | A. Buller | A. Buller | A. Buller |
| Penryn & Falmouth | Rolfe | Rolfe | Rolfe | Rolfe | Hutchins | J. C. Vivian | J. C. Vivian | J. C. Vivian | J. C. Vivian | J. C. Vivian | J. C. Vivian | Gwyn | Gwyn | Gwyn | Gwyn | Gwyn | Baring | Baring | → | → | → | → | Smith | Smith |
| Penryn & Falmouth | Bury | Freshfield | Freshfield | Freshfield | Freshfield | Plumridge | Plumridge | Plumridge | Plumridge | Plumridge | Plumridge | Mowatt | Mowatt | Freshfield | Freshfield | Freshfield | Gurney | Gurney | Gurney | Gurney | Gurney | Gurney | Gurney | Gurney |
| St Ives | Halse | Halse | Halse | W. Praed | W. Praed | W. Praed | W. Praed | W. Praed | W. Praed | W. Praed | Powlett | Powlett | Powlett | Laffan | Laffan | Laffan | Paull | Paull | Paull | Paull | Paull | Paull | Paull | Paull |
| Truro | R. H. Vivian | J. E. Vivian | J. E. Vivian | J. E. Vivian | J. E. Vivian | J. E. Vivian | J. E. Vivian | J. E. Vivian | J. E. Vivian | J. E. Vivian | J. E. Vivian | J. E. Vivian | J. E. Vivian | J. E. Vivian | J. E. Vivian | J. E. Vivian | A. Smith | A. Smith | → | → | → | J. C. Vivian | J. C. Vivian | J. C. Vivian |
| Truro | Tooke | Tooke | Turner | Turner | Turner | Turner | Turner | Turner | Turner | Turner | Turner | Turner | H. Willyams | H. Vivian | H. Vivian | H. Vivian | E. Willyams | E. Willyams | M. Smith | M. Smith | F. Williams | F. Williams | F. Williams | F. Williams |

### 1868 to 1885 (13 MPs)

Conservative  Liberal

| Constituency | 1868 | 69 | 71 | 1874 | 74 | 76 | 77 | 78 | 1880 | 81 | 82 | 85 |
| - | - | - | - | - | - | - | - | - | - | - | - | - |
| Bodmin | Leveson-Gower | Leveson-Gower | Leveson-Gower | Leveson-Gower | Leveson-Gower | Leveson-Gower | Leveson-Gower | Leveson-Gower | Leveson-Gower | Leveson-Gower | Leveson-Gower | Leveson-Gower |
| Cornwall Eastern | E. Willyams | E. Willyams | E. Willyams | C. Rashleigh | C. Rashleigh | C. Rashleigh | C. Rashleigh | C. Rashleigh | T. C. Agar-Robartes | T. C. Agar-Robartes | Dyke Acland | Dyke Acland |
| Cornwall Eastern | J. Salusbury-Trelawney | J. Salusbury-Trelawney | J. Salusbury-Trelawney | J. Tremayne | J. Tremayne | J. Tremayne | J. Tremayne | J. Tremayne | Borlase | Borlase | Borlase | Borlase |
| Cornwall Western | St Aubyn | St Aubyn | St Aubyn | St Aubyn | St Aubyn | St Aubyn | St Aubyn | St Aubyn | St Aubyn | St Aubyn | St Aubyn | St Aubyn |
| A. Vivian ||||||||||||
| Helston | Young | Young | Young | Young | Young | Young | Young | Young | Molesworth-St Aubyn | Molesworth-St Aubyn | Molesworth-St Aubyn | Molesworth-St Aubyn |
| Launceston | Lopes | Lopes | Lopes | Deakin | Deakin | Deakin | Giffard | Giffard | Giffard | Giffard | Giffard | Webster |
| Liskeard | A. Buller | Horsman | Horsman | Horsman | Horsman | Courtney | Courtney | Courtney | Courtney | Courtney | Courtney | Courtney |
| Penryn & Falmouth | Fowler | Fowler | Fowler | Jenkins | Jenkins | Jenkins | Jenkins | Jenkins | Jenkins | Jenkins | Jenkins | Jenkins |
| Penryn & Falmouth | Eastwick | Eastwick | Eastwick | Cole | Cole | Cole | Cole | Cole | R. Brett | R. Brett | R. Brett | R. Brett |
| St Ives | Magniac | Magniac | Magniac | Davenport | C. Praed | C. Praed | C. Praed | C. Praed | Reed | Ross | Ross | Ross |
| Truro | J. C. Vivian | J. C. Vivian | McGarel-Hogg | McGarel-Hogg | McGarel-Hogg | McGarel-Hogg | McGarel-Hogg | McGarel-Hogg | McGarel-Hogg | McGarel-Hogg | McGarel-Hogg | McGarel-Hogg |
| Truro | F. Williams | F. Williams | F. Williams | F. Williams | F. Williams | F. Williams | F. Williams | A. Tremayne | E. Willyams | E. Willyams | E. Willyams | E. Willyams |

### 1885 to 1918 (7 MPs)

Conservative  Independent Liberal  Liberal  Liberal Unionist

| Constituency | 1885 | 1886 | 87 | 1892 | 1895 | 98 | 99 | 1900 | 03 | 04 | 1906 | 06 | 08 | Jan 1910 | Dec 1910 | 12 | 15 | 16 |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Bodmin | Courtney | → | → | → | → | → | → | Molesworth | Molesworth | Molesworth | Agar-Robartes | Freeman-Thomas | Freeman-Thomas | Grenfell | Pole-Carew | → | → | Hanson |
| Camborne | Conybeare | → | → | → | Strauss | Strauss | Strauss | Caine | Lawson | Lawson | Dunn | Dunn | Dunn | Dunn | F. Dyke Acland | F. Dyke Acland | F. Dyke Acland | F. Dyke Acland |
| Launceston | C. Dyke-Acland | C. Dyke-Acland | C. Dyke-Acland | Owen | Owen | Moulton | Moulton | Moulton | Moulton | Moulton | Marks | Marks | Marks | Marks | Marks | Marks | Marks | Marks |
| Penryn and Falmouth | Jenkins | Cavendish-Bentinck | Cavendish-Bentinck | Cavendish-Bentinck | Horniman | Horniman | Horniman | Horniman | Horniman | Horniman | Barker | Barker | Barker | Goldman | Goldman | Goldman | Goldman | Goldman |
| St Austell | Borlase | Borlase | McArthur | McArthur | McArthur | McArthur | McArthur | McArthur | McArthur | McArthur | McArthur | McArthur | Agar-Robartes | Agar-Robartes | Agar-Robartes | Agar-Robartes | Layland-Barratt | Layland-Barratt |
| St Ives | St Aubyn | → | Bolitho | Bolitho | Bolitho | Bolitho | Bolitho | Hain | Hain | → | Cory | Cory | Cory | Cory | Cory | Cory | Cory | Cory |
| Truro | Bickford-Smith | → | → | Williams | Durning-Lawrence | Durning-Lawrence | Durning-Lawrence | Durning-Lawrence | Durning-Lawrence | Durning-Lawrence | Morgan | Morgan | Morgan | Morgan | Morgan | Morgan | Morgan | Morgan |

### 1918 to 1950 (5 MPs)

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

| Constituency | 1918 | 22 | 1922 | 1923 | 1924 | 24 | 28 | 1929 | 31 | 1931 | 32 | 1935 | 37 | 39 | 41 | 1945 | 46 | 47 |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Bodmin | Hanson | Foot | Foot | Foot | Harrison | Harrison | Harrison | Foot | Foot | Foot | Foot | Rathbone | Rathbone | Rathbone | B. Rathbone | Marshall | Marshall | Marshall |
| Camborne | Dyke Acland | Dyke Acland | Moreing | Jones | Moreing | → | → | Jones | Jones | Agnew | Agnew | Agnew | Agnew | Agnew | Agnew | Agnew | Agnew | Agnew |
| Cornwall North | Marks | Marks | → | → | Williams | Williams | Williams | Maclean | Maclean | Maclean | Dyke Acland | Dyke Acland | Dyke Acland | Horabin | Horabin | Horabin | → | → |
| Penryn and Falmouth | Nicholl | Nicholl | Shipwright | Mansel | Pilcher | Pilcher | Pilcher | Walters | Walters | Petherick | Petherick | Petherick | Petherick | Petherick | Petherick | King | King | King |
| St Ives | Cory | Cory | Hawke | Cory | Hawke | Hawke | H. Runciman | W. Runciman | → | → | → | → | Beechman | Beechman | Beechman | Beechman | Beechman | Beechman |

### 1950 to 2010 (5 MPs)

Conservative  Labour  Liberal  Liberal Democrats  National Liberal (1931–68)

| Constituency | 1950 | 1951 | 1955 | 1959 | 1964 | 1966 | 68 | 1970 | Feb 1974 | Oct 1974 | 1979 | 1983 | 87 | 1987 | 88 | 1992 | 1997 | 2001 | 2005 |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Cornwall North | Roper | Roper | Roper | Scott-Hopkins | Scott-Hopkins | Pardoe | Pardoe | Pardoe | Pardoe | Pardoe | Neale | Neale | Neale | Neale | Neale | Tyler | Tyler | Tyler | Rogerson |
| Bodmin / Cornwall South East (1983) | Marshall | Marshall | Marshall | Marshall | Bessell | Bessell | Bessell | Hicks | Tyler | Hicks | Hicks | Hicks | Hicks | Hicks | Hicks | Hicks | Breed | Breed | Breed |
| Falmouth and Camborne | Hayman | Hayman | Hayman | Hayman | Hayman | Dunwoody | Dunwoody | Mudd | Mudd | Mudd | Mudd | Mudd | Mudd | Mudd | Mudd | Coe | Atherton | Atherton | Goldsworthy |
| St Ives | Howard | Howard | Howard | Howard | Howard | Nott | → | → | → | → | → | Harris | Harris | Harris | Harris | Harris | George | George | George |
| Truro / Truro and St Austell (1997) | Wilson | Wilson | Wilson | Wilson | Wilson | Wilson | Wilson | Dixon | Dixon | Penhaligon | Penhaligon | Penhaligon | Taylor | Taylor | → | → | → | → | → |

### 2010 to present (6 MPs)

Conservative  Liberal Democrats

| Constituency | 2010 | 2015 | 2017 | 2019 |
| - | - | - | - | - |
| Camborne and Redruth | Eustice | Eustice | Eustice | Eustice |
| North Cornwall | Rogerson | Mann | Mann | Mann |
| St Ives | George | Thomas | Thomas | Thomas |
| South East Cornwall | Murray | Murray | Murray | Murray |
| St Austell and Newquay | Gilbert | Double | Double | Double |
| Truro and Falmouth | Newton | Newton | Newton | Mackrory |
