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Portsmouth North

Constituency

The south west of the South East. About 103,518 people in 27 square kilometres.

MP for Portsmouth North

Amanda MartinLabourMP since

They won by 780 votes on a 59.0% turnout.

As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

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Majority 2024 by constituency

UK Parliament election results · July 2024

Under 5%40% or more

The winner in Portsmouth North had a majority of 1.9% of valid votes at the general election on 4 July 2024.

Majority, 2024 general election
1.9%
Joint 40th smallest majority of 650
House of Commons Library · Jul 2024
Turnout, 2024 general election
59.0%
Joint 285th lowest turnout of 650
House of Commons Library · Jul 2024
Population
100,139
303rd least populated of 650
ONS Census 2021 · 2021
Aged 15 to 64
64.6%
Joint 199th highest of 650
ONS Census 2021 · 2021

2024 general election result

Candidates in Portsmouth North at the general election on 4 July 2024, in finishing order
CandidatePartyVotesShare
Amanda MartinElectedLabour14,49534.8%
Penny MordauntConservative13,71533.0%
Melvyn ToddReform UK8,50120.4%
Simon DoddLiberal Democrat3,0317.3%
Duncan RobinsonGreen Party1,8514.5%
Electorate
70,446
Turnout
59.0%
Majority
780 (1.9%)
Valid votes
41,593
Rejected ballots
148

Polling day . Shares are of valid votes; turnout is valid votes as a share of the electorate. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: House of Commons Library, UK Parliament election results. The result from the House of Commons Library

How Portsmouth North compares

Each dot is a constituency. The black line marks the middle one.

Portsmouth NorthMiddle
Majority, 2024 general election650 constituencies, UK · Jul 2024
Majority, 2024 general election: every constituency in UK650 areas from 0.0% to 60.6%. The middle area is 14.1%. Portsmouth North is 1.9%.
1.9%joint 40th smallest majority
Turnout, 2024 general election650 constituencies, UK · Jul 2024
Turnout, 2024 general election: every constituency in UK650 areas from 40.0% to 75.2%. The middle area is 60.0%. Portsmouth North is 59.0%.
59.0%joint 285th lowest turnout
Population650 constituencies, UK · 2021
Population: every constituency in UK650 areas from 26,159 to 151,876. The middle area is 100,988. Portsmouth North is 100,139.
100,139303rd least populated
Aged 15 to 64650 constituencies, UK · 2021
Aged 15 to 64: every constituency in UK650 areas from 52.3% to 82.1%. The middle area is 63.1%. Portsmouth North is 64.6%.
64.6%joint 199th highest

Every constituency ranked: population and aged 15 to 64.

What is the population of Portsmouth North?

Portsmouth North had 100,139 usual residents at the census.

Portsmouth North is the 303rd least populated of 650 in the UK.

Figures for the whole of Portsmouth

Most of Portsmouth North lies in Portsmouth. These figures are published for the whole of Portsmouth, not for constituencies, so they describe the council and not Portsmouth North itself. See Portsmouth

Average house price
£251,220
Up 1.3% in a year
HM Land Registry · Jul 2026
Median full-time pay
£36,022
95th lowest paid of 348
ONS earnings survey · 2025
House price to pay
7.0×
Joint 158th most affordable of 348
Worked out by Open Index
Deprivation score
26.4
64th most deprived of 296
MHCLG · England only
Portsmouth North in brief

The winner in Portsmouth North had a majority of 1.9% of valid votes at the general election on 4 July 2024.

Turnout in Portsmouth North at the general election on 4 July 2024 was 59.0%.

Portsmouth North had 100,139 usual residents at the census.

64.6% of residents in Portsmouth North were aged 15 to 64 at the census.