UK general elections2024 › Portsmouth South

Portsmouth South — 2024

Stephen Morgan (Labour Party) was elected with 18,857 votes48.4% of 38,928 valid votes. Under First Past the Post, a plurality is enough; a majority is not required.

Result · single-seat

Marginal winner Winning candidate's share of valid votes. 48.4% Proportional quota 50.0% Below quota Winning candidate's share minus the proportional quota (50% for a single-member seat). Negative = below; positive = above. −1.6 pts Valid ballots Voters who cast a valid ballot in this constituency, from the published source. 38,928

RankCandidatePartyVotesShare of votes Candidate votes ÷ valid votes in this constituency. Matches the share the returning officer publishes.Below quota Elected candidate's share of valid votes minus the proportional quota (50% for a single-member seat). Negative = won the seat below the quota; positive = cleared it.Elected
1Stephen Morgan Labour Party 18,85748.4%−1.6 ptsElected
2Mark Zimmer Reform UK 5,70214.6%
3Signe Biddle Conservative Party 5,64314.5%
4Charlie Murphy Liberal Democrats 4,88612.6%
5Elliott Lee Green Party 3,1078.0%
6Jacob Short Portsmouth Independent Party 7331.9%

Electorate 73,711 · Turnout 52.8% · Majority 13,155 · Back to 2024 overview

Source data: House of Commons Library general election results 2024, retrieved 2026-05-18, generated 2026-05-19 (Open Parliament Licence v3.0). ETL version parliament-etl@1. Methodology: how these numbers are computed.