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Llanelli

Constituency

South west Wales. About 95,434 people (mid-2024 estimate) in 352 square kilometres.

MP for Llanelli

Dame Nia GriffithLabourMP since

They won by 1,504 votes on a 57.0% 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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Radon Affected Area by constituency

Worked out by Open Index · 2022

Under 1%90% or more

About 95% of people in Llanelli live in a 1 km square that the radon atlas marks as a radon Affected Area.

Majority, 2024 general election
3.7%
Joint 86th smallest majority of 650
House of Commons Library · Jul 2024
Turnout, 2024 general election
57.0%
Joint 209th lowest turnout of 650
House of Commons Library · Jul 2024
Population
94,026
114th least populated of 650
ONS Census 2021 · 2021
People in radon Affected Area squares
95%
UK 44%
Worked out by Open Index

2024 general election result

Candidates in Llanelli at the general election on 4 July 2024, in finishing order
CandidatePartyVotesShare
Nia GriffithElectedLabour12,75131.3%
Gareth BeerReform UK11,24727.6%
Rhodri DaviesPlaid Cymru9,51123.3%
Charlie EvansConservative4,27510.5%
Chris PassmoreLiberal Democrat1,2543.1%
Karen LaurenceGreen Party1,1062.7%
Stan RobinsonUK Independence Party6001.5%
Electorate
71,538
Turnout
57.0%
Majority
1,504 (3.7%)
Valid votes
40,744
Rejected ballots
124

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 Llanelli compares

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

LlanelliMiddle
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%. Llanelli is 3.7%.
3.7%joint 86th 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%. Llanelli is 57.0%.
57.0%joint 209th lowest turnout
Population650 constituencies, UK · 2021
Population: every constituency in UK650 areas from 26,159 to 151,876. The middle area is 100,988. Llanelli is 94,026.
94,026114th least populated
People in radon Affected Area squares650 constituencies, UK · 2022
People in radon Affected Area squares: every constituency in UK650 areas from 0.0% to 100.0%. The middle area is 39.0%. Llanelli is 95.0%.
95%joint 81st most people in radon Affected Areas

Every constituency ranked: population and people in radon affected area squares.

What is the population of Llanelli?

Llanelli had 94,026 usual residents at the census.

Llanelli is the 114th least populated of 650 in the UK.

Figures for the whole of Carmarthenshire

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

Average house price
£195,263
Up 2.7% in a year
HM Land Registry · Aug 2026
Median full-time pay
£37,405
138th lowest paid of 348
ONS earnings survey · 2025
House price to pay
5.2×
Joint 53rd most affordable of 348
Worked out by Open Index
Population estimate
190,037
Down 0.2% in a year
ONS population estimates · 2025
Llanelli in brief

The winner in Llanelli had a majority of 3.7% of valid votes at the general election on 4 July 2024.

Turnout in Llanelli at the general election on 4 July 2024 was 57.0%.

Llanelli had 94,026 usual residents at the census.

About 95% of people in Llanelli live in a 1 km square that the radon atlas marks as a radon Affected Area.