Council profile

Carmarthenshire

Data through 26 October 2026

Welsh council · Wales · 75 seats in 51 wards · All seats elected every five years · Next election 6 May 2027

Plaid Cymru have a majority on Carmarthenshire Council. The council has 75 councillors in 51 wards. Seats by party: Plaid Cymru 39, Other 20, Labour 14, Reform 1, Green 1. The next election is on 6 May 2027.

Seats by party

Plaid Cymru
75 seats - 38 for a majority
1
14
1
39
20
Reform 1Labour 14Green 1Plaid Cymru 39Other 20
Seat changes since the 5 May 2022 election Other +6 Reform +1 Green +1 Plaid Cymru +1 Labour −9
Vote share at the 5 May 2022 election (75 seats, all wards)
ShareSeats won
Plaid Cymru40.8%38
Other27.6%14
Labour24.9%23
Conservative4.1%0
Lib Dem1.9%0
Green0.7%0
Next election
6 May 2027
all 75 seats up, then every five years
Largest party
Plaid Cymru 39
majority of 3; 38 needed
Closest result
Labour won the last seat by 1 vote over another Labour candidate, 5 May 2022
Latest by-election
Plaid Cymru gain from Labour, 22 October 2026 (6 since 2021)
Constituencies
2024Now
Voted Leave in 2016
54%
GB 52%

Who holds each ward

AbergwiliAmmanfordBetwsBigynBurry PortByneaCarmarthen Town North and SouthCarmarthen Town WestCenarth and LlangelerCilycwmCwarter BachCynwyl ElfedDafen and FelinfoelElliGarnantGlanammanGlanymorGlynGorslasHendyHengoedKidwelly and St IshmaelLaugharne TownshipLlanboidyLlanddarogLlandeiloLlandoveryLlandybieLlanegwadLlanfihangel AberbythychLlanfihangel-ar-ArthLlangadogLlangennechLlangunnorLlangyndeyrnLlannonLlanybydderLliediLlwynhendyManordeilo and SalemPembreyPenygroesPontyberemSaronSt Clears and LlansteffanSwiss ValleyTrelechTrimsaranTycroesTyishaWhitland
LabourPlaid CymruIndependentSplit evenly

Coloured by the party holding most of the ward's seats today; where seats are split evenly, by the party with the higher share at the last election.

Councillors and last results

Select a ward for its full results, candidates and last by-election.

Ward and councillorsLast election
Abergwili
Neil Lewis
5 May 2022
Plaid Cymru 70.7% lead 41.4 pts
Ammanford
Colin Evans, Deian Harries
5 May 2022
Plaid Cymru 47.6% lead 5.4 pts
Betws
Betsan Jones
5 May 2022
Plaid Cymru 68.9% lead 37.8 pts
Bigyn
Janet Williams, Michael Cranham, Philip Warlow
5 May 2022
Independent 28.9% lead 5.2 pts
Burry Port
Shelly Godfrey-Coles, John James
5 May 2022
Labour 55.1% lead 27.7 pts
Bynea
Deryk Cundy, Michelle Donoghue
5 May 2022
Labour 35.0% lead 9.8 pts
Carmarthen Town North and South
Peter Griffiths, Gareth John, Alun Lenny
5 May 2022
Plaid Cymru 47.3% lead 4.8 pts
Carmarthen Town West
Emlyn Schiavone, Russell Sparks
5 May 2022
Plaid Cymru 58.6% lead 34.5 pts
Cenarth and Llangeler
Hazel Evans, Ken Howell
5 May 2022
Plaid Cymru 77.6% lead 55.2 pts
Cilycwm
Arwel Davies
5 May 2022
Plaid Cymru 64.6% lead 41.7 pts
Cwarter Bach
Glynog Davies
5 May 2022
Plaid Cymru 45.0% lead 1.8 pts
Cynwyl Elfed
Bryan Davies
5 May 2022
Plaid Cymru 73.8% lead 47.6 pts
Dafen and Felinfoel
Nysia Evans, Rob Evans
5 May 2022
Labour 45.0% lead 28.7 pts
Elli
Stephen Williams
5 May 2022
Independent 48.1% lead 21.4 pts
Garnant
Kevin Madge
5 May 2022
Labour 70.3% lead 40.6 pts
Glanamman
Emyr Rees
5 May 2022
Labour 56.2% lead 12.4 pts
Glanymor
Louvain Roberts, Sean Rees
5 May 2022
Independent 42.2% lead 16.3 pts
Glyn
Alex Evans
5 May 2022
Plaid Cymru 63.6% lead 39.2 pts
Gorslas
Aled Owen, Darren Price
5 May 2022
Plaid Cymru 72.7% lead 45.4 pts
Hendy
Gareth Thomas
5 May 2022
Plaid Cymru 51.8% lead 12.0 pts
Hengoed
Martyn Palfreman, Edward Skinner
5 May 2022
Labour 27.1% lead 4.8 pts
Kidwelly and St Ishmael
Crish Davies, Lewis Davies
5 May 2022
Labour 51.4% lead 12.8 pts
Laugharne Township
Jane Tremlett
5 May 2022
Uncontested
Llanboidy
Dorian Phillips
5 May 2022
Plaid Cymru 85.4% lead 70.8 pts
Llanddarog
Shone Hughes
5 May 2022
Plaid Cymru 84.3% lead 68.6 pts
Llandeilo
Edward Thomas
5 May 2022
Independent 62.7% lead 25.4 pts
Llandovery
Handel Davies
5 May 2022
Plaid Cymru 86.3% lead 72.6 pts
Llandybie
Dai Nicholas, Anthony Davies
5 May 2022
Independent 36.1% lead 3.3 pts
Llanegwad
Mansel Charles
5 May 2022
Plaid Cymru 64.5% lead 43.5 pts
Llanfihangel Aberbythych
Hefin Jones
5 May 2022
Plaid Cymru 65.0% lead 45.5 pts
Llanfihangel-ar-Arth
Linda Evans
5 May 2022
Plaid Cymru 87.2% lead 74.4 pts
Llangadog
Andrew Davies
5 May 2022
Plaid Cymru 51.4% lead 2.8 pts
Llangennech
Iwan Griffiths, Jacqueline Seward
5 May 2022
Labour 62.4% lead 24.8 pts
Llangunnor
Elwyn Williams
5 May 2022
Plaid Cymru 46.4% lead 12.6 pts
Llangyndeyrn
Tyssul Evans, Meinir James
5 May 2022
Plaid Cymru 46.2% lead 16.2 pts
Llannon
Llinos Davies, Dot Jones
5 May 2022
Labour 34.4% lead 1.5 pts
Llanybydder
Denise Owen
5 May 2022
Plaid Cymru 75.1% lead 50.2 pts
Lliedi
Rob James, Michelle Beer
5 May 2022
Labour 46.3% lead 25.6 pts
Llwynhendy
Sharen Davies, Jason Hart
5 May 2022
Independent 34.7% lead 1.3 pts
Manordeilo and Salem
Fiona Walters
5 May 2022
Independent 59.0% lead 18.0 pts
Pembrey
Hugh Shepardson, Michael Thomas
5 May 2022
Independent 44.1% lead 11.6 pts
Penygroes
Dai Thomas
5 May 2022
Plaid Cymru 45.9% lead 19.6 pts
Pontyberem
Liam Bowen
5 May 2022
Plaid Cymru 71.3% lead 42.6 pts
Saron
Karen Davies, Nicholas Davies
5 May 2022
Plaid Cymru 39.7% lead 0.5 pts
St Clears and Llansteffan
Philip Hughes, Carys Jones
5 May 2022
Plaid Cymru 32.9% lead 1.2 pts
Swiss Valley
Giles Morgan
5 May 2022
Independent 75.5% lead 61.1 pts
Trelech
Jean Lewis
5 May 2022
Plaid Cymru 84.6% lead 69.2 pts
Trimsaran
Kim Broom
5 May 2022
Plaid Cymru 64.7% lead 29.4 pts
Tycroes
Tina Higgins
5 May 2022
Labour 71.0% lead 42.0 pts
Tyisha
Terry Davies, Suzy Curry
5 May 2022
Labour 40.6% lead 3.9 pts
Whitland
Sue Allen
5 May 2022
Independent 68.0% lead 36.0 pts

Changed party since the election

7 councillors now sit for a different party from the one they were elected for.

WardCouncillorElected asNow
Burry PortJohn JamesLabour 2022Independent
Burry PortShelly Godfrey-ColesLabour 2022Independent
GlanammanEmyr ReesLabour 2022Independent
Kidwelly and St IshmaelCrish DaviesLabour 2022Independent
LlandybieDai NicholasPlaid Cymru 2022Independent
LlannonDot JonesLabour 2022Independent
LliediRob JamesLabour 2022Green

Every council by-election since 2021

6 by-elections since July 2021, 4 of them gains.

DateWardResultWinner's share
22 October 2026SaronPlaid Cymru gain from Labour43.9%
25 June 2026LlangennechPlaid Cymru gain from Reform41.1%
7 August 2025LlangennechReform gain from Labour43.0%
29 May 2025LliediReform gain from Labour43.0%
6 March 2025LlanddarogPlaid Cymru hold57.1%
6 March 2024ElliIndependent hold

Parliamentary constituencies

ConstituencyShare of council2024 winnerProjected now
Caerfyrddin51%Plaid CymruPlaid Cymru 34%
Llanelli49%LabourReform 29%

Share of the council: the proportion of its census neighbourhoods (2021 LSOAs) in each seat. The projection is PollCheck's demographic model at current polling, not a forecast.

Who lives in Carmarthenshire

187,891 residents in 81,753 households

Voted Leave in 2016
54% 2 above GB
Degree or higher
31% 3 below GB
No qualifications
20% 2 above GB
Own their home
70% 9 above GB
Rent from a council or housing association
14% 3 below GB
Rent privately
15% 5 below GB
Aged 15 to 34
25% 6 below GB
Aged 65 and over
29% 7 above GB

GB figure. 2021 Census (Scotland: 2022): age as a share of residents aged 15 and over, qualifications of residents aged 16 and over, housing as a share of households. Leave: 2016 EU referendum, Electoral Commission results by counting area.

Councils most like this one

Closest on the measures above: the 2016 Leave vote, age, qualifications and housing. Maps show which party holds each ward.

Sources and method

Seat totals and control: PollCheck council control tracker. Councillors: Open Council Data (CC BY-SA 4.0). Election results: Democracy Club (CC BY 4.0), with some vote counts from DCLEAPIL, Leman (2025) (CC BY-SA 4.0), and corrections checked against councils' official declarations. Ward boundaries: Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026. Census: Office for National Statistics and National Records of Scotland.

Councillor lists and DCLEAPIL-derived vote counts on this page are available under CC BY-SA 4.0.

In wards electing more than one councillor, a party's share counts only its leading candidate (the Rallings and Thrasher method). Independents count individually. The lead is the gap between the top two parties' shares.