Skip to content

South East · Current constituency · E14001431

Portsmouth North

Every general election in Portsmouth North since 1918. Latest: Amanda Martin, Labour, majority 780.

Official portrait of Amanda Martin

Member of Parliament

Amanda Martin

Labour · elected 4 July 2024 · majority 780

2024 general election

CandidatePartyVotesShareShare bar
Amanda Martin ElectedLabour14,49534.9%
Penny Mordaunt sitting MPConservative13,71533.0%
Melvyn ToddReform UK8,50120.4%
Simon DoddLiberal Democrats3,0317.3%
Duncan RobinsonGreen1,8514.5%
Valid votes41,593
Majority7801.9%

Lab gain from Con Turnout 59.0% of 70,446 electors. Full result →

0%25%50%75%100%1918192319291935F19741979198719972005201520192024Conservative, 1918: 61.8%Conservative, 1922: 55.9%Conservative, 1923: 50.2%Conservative, 1924: 63.1%Conservative, 1929: 44.5%Conservative, 1931: 68.4%Conservative, 1935: 66.6%Conservative, 1945: 47.6%Conservative, February 1974: 43.0%Conservative, October 1974: 43.3%Conservative, 1979: 48.7%Conservative, 1983: 55.3%Conservative, 1987: 55.3%Conservative, 1992: 52.6%Conservative, 1997: 37.6%Conservative, 2001: 36.7%Conservative, 2005: 37.8%Conservative, 2010: 44.3%Conservative, 2015: 47.0%Conservative, 2017: 54.8%Conservative, 2019: 61.4%Conservative, 2024: 33.0%Labour, 1922: 26.9%Labour, 1923: 36.2%Labour, 1924: 36.9%Labour, 1929: 36.2%Labour, 1931: 31.6%Labour, 1935: 33.4%Labour, 1945: 51.1%Labour, February 1974: 43.6%Labour, October 1974: 45.9%Labour, 1979: 44.4%Labour, 1983: 21.1%Labour, 1987: 20.0%Labour, 1992: 29.9%Labour, 1997: 47.1%Labour, 2001: 50.7%Labour, 2005: 40.9%Labour, 2010: 27.8%Labour, 2015: 23.8%Labour, 2017: 33.7%Labour, 2019: 27.0%Labour, 2024: 34.9%Liberal Democrats, 1992: 16.5%Liberal Democrats, 1997: 10.6%Liberal Democrats, 2001: 10.3%Liberal Democrats, 2005: 17.7%Liberal Democrats, 2010: 20.1%Liberal Democrats, 2015: 6.2%Liberal Democrats, 2017: 5.5%Liberal Democrats, 2019: 7.5%Liberal Democrats, 2024: 7.3%Liberal, 1922: 17.2%Liberal, 1923: 13.6%Liberal, 1929: 19.3%Liberal, February 1974: 13.4%Liberal, October 1974: 9.8%Liberal, 1979: 6.2%SDP–Liberal Alliance, 1983: 23.6%SDP–Liberal Alliance, 1987: 24.7%Independent, 1918: 38.2%Independent, 2019: 1.4%UK Independence Party, 2010: 4.1%UK Independence Party, 2015: 19.1%UK Independence Party, 2017: 4.1%
Vote share in Portsmouth North at each general election Con Lab LD Lib Alliance Ind UKIP

Boundary changes in 2024

Where the voters of today’s Portsmouth North lived under the old (2010–2019) boundaries:

Shares of population, from the House of Commons Library’s boundary analysis in the UK Parliament election results data.

Every result

Download CSV
ElectionWinnerRunner-upMajority%TurnoutResult
2024Lab Amanda MartinCon7801.959.0%Lab gain from Con
2019Con Penny MordauntLab15,78034.464.4%Con hold
2017Con Penny MordauntLab9,96521.166.1%Con hold
2015Con Penny MordauntLab10,53723.262.1%Con hold
2010Con Penny MordauntLab7,28916.562.7%Con gain from Lab
2005LabCon1,1393.060.5%
2001LabCon5,13413.957.4%Lab hold
1997LabCon4,3239.670.1%
1992ConLab13,88122.677.1%Con hold
1987ConAlliance18,40130.674.8%Con hold
1983ConAlliance17,99931.772.0%
1979ConLab2,3114.378.7%Con gain from Lab
October 1974LabCon1,3452.576.9%Lab hold
February 1974LabCon3200.679.9%
1945LabCon1,0423.575.4%
1935ConLab11,45433.264.9%Con hold
1931ConLab14,14936.774.5%Con hold
1929ConLab2,8778.470.8%Con hold
1924ConLab7,31826.375.0%Con hold
1923ConLab3,70614.171.7%Con hold
1922ConLab7,36029.071.9%Con hold
1918ConInd4,36423.652.3%

Constituency boundaries were redrawn several times (most recently in 1983, 1997, 2005 (Scotland), 2010 and 2024), so the area behind the name changed over time. Before 2010 results are by party; candidate names start in 2010.

Questions and answers

Who is the MP for Portsmouth North?

Amanda Martin (Labour) won Portsmouth North at the 2024 general election with a majority of 780.

Which parties have won Portsmouth North?

At the 22 general elections held under this name since 1918: Conservative 15, Labour 7.

Which region is Portsmouth North in?

Portsmouth North is in South East.

Official results House of Commons Library and UK Parliament election results data. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. How we use this data

Report an error on this page