The placeConstituency · Wales · Electorate 73,040 · 2023 boundaries

Dwyfor Meirionnydd.

Plaid Cymru MP Liz Saville Roberts holds the seat on 53.9% of the vote — a split-council geography across 2 councils.

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Member of ParliamentLiz Saville Roberts · Plaid Cymru
CouncilsGwynedd · Denbighshire
Boundary set2023
ONS codeW07000096
Electorate · 2024
73.0k
Registered to vote
2024 GE — winner
53.9%
Plaid Cymru · +39.3pp over Lab
Settlements
25
Largest: Rural & dispersed
Crime · per 1k pop · 3mo
17.1
data.police.uk · 12mo rolling
Dispatch
9 Jun 2026

Rural Gwynedd seat, settled Plaid lean

Dwyfor Meirionnydd is a large, rural and Welsh-speaking seat in the north-west of Wales, with a median age of forty-eight and an electorate of around 73,000 spread thinly across mountain and coast. No single town dominates: more than two-fifths of residents live in rural and dispersed settlements, and the population gathers instead in a string of small towns and villages -- Caernarfon, the largest at about 10,000, then Pwllheli, Tywyn, Blaenau Ffestiniog and Dolgellau, each smaller again. Local services are run almost entirely by Gwynedd, a Welsh unitary council that accounts for 55 of the seat's wards, with a single ward falling under neighbouring Denbighshire. A seat that straddles two principal councils, however lightly, is a place defined by its periphery rather than a centre.

That dispersal is mirrored in the politics, which has tilted firmly towards Plaid Cymru. Across the most recent ward contests Plaid took 25 of 38, with Independents winning eleven and the remainder split, and several of those Plaid wins came on commanding vote shares. The parliamentary picture points the same way: Plaid won the seat in 2024 on 53.9 per cent, with Labour a distant runner-up on 14.6 per cent, a gap that widened from 2019, when the Conservatives held second place. Liz Saville Roberts, the sitting Plaid member since 2015, is one fixture among many in an area where independent councillors remain a persistent local force.

On the figures available the seat looks settled rather than contested, with Plaid dominant at both council and Westminster level and no obvious challenger consolidating behind it. Recent coverage has had a local, administrative character, returning often to rural transport and infrastructure and to a sense that central funding for the area falls short -- a grievance about distance from decision-making rather than a partisan dispute. None of that has yet disturbed the underlying pattern: this is a place where the principal question is the balance between Plaid and a durable independent tradition, not whether the seat itself is in play.

53.9%
Plaid vote · 2024 GE
2
Councils overlapping the seat
47
Wards · 48 councillors
§ 01The local picture — wards.47 wards · 48 councillors · 2 councils

Ward-level direction-of-travel: who controls what, who flipped recently, who holds the line. Each ward links to the council that runs it.

WardLatest winnerVotesCouncilLast cycle
Aberdyfi Robert Dewi Owen232Gwynedd IndMay 2022
Abererch Richard Roberts346Gwynedd IndMay 2022
Abermaw Rob Triggs553Gwynedd IndMay 2022
Abersoch gyda Llanengan John Brynmor Hughes252Gwynedd IndMay 2022
Arthog a Llangelynnin Louise Hughes279Gwynedd IndMay 2022
Bethel a'r Felinheli Gwion Emyr659Gwynedd IndNov 2025
Bowydd a'r Rhiw Elfed Wyn ap Elwyn313Gwynedd IndMay 2022
Brithdir and Llanfachreth/Ganllwyd/Llanelltyd Delyth Lloyd Griffiths381Gwynedd IndMay 2022
Bro Dysynni Beth Lawton377Gwynedd IndMay 2022
Cadnant Cemlyn Rees Williams263Gwynedd IndMay 2017
Clynnog Dafydd Owen Davies283Gwynedd IndMay 2022
Criccieth Sian Williams381Gwynedd IndFeb 2024
Cwm-y-glo Berwyn Parry Jones231Gwynedd IndMay 2017
De Dolgellau Linda Morgan206Gwynedd IndMay 2022
Deiniolen Elfed Wyn Williams0Gwynedd IndMay 2017
Dolbenmaen Stephen Churchman447Gwynedd IndMay 2017
Dyffryn Ardudwy Eryl Jones-Williams324Gwynedd IndMay 2017
Edeirnion(2 seats)Hughes · Ellis1,540Denbighshire IndMay 2022
Glaslyn June Jones359Gwynedd IndMay 2022
Gogledd Dolgellau Dyfrig Lewis Siencyn282Gwynedd IndMay 2022
Gogledd Pwllheli Elin Hywel331Gwynedd IndMay 2022
Gorllewin Porthmadog Gwilym Owen Jones301Gwynedd IndMay 2022
Gorllewin Tywyn Anne Tudor Lloyd-Jones298Gwynedd IndMay 2022
Hendre Coj Parry310Gwynedd IndMay 2022
Llanbedrog gyda Mynytho Angela Ann Russell548Gwynedd IndMay 2022
Llanberis Gwilym Evans422Gwynedd IndOct 2024
Llandderfel Elwyn Edwards0Gwynedd IndMay 2017
Llanllyfni Peter Thomas304Gwynedd IndMay 2022
Llanrug Beca Brown431Gwynedd IndMar 2021
Llanuwchllyn Alan Jones Evans368Gwynedd IndSept 2022
Llanwnda Huw Llwyd Rowlands331Gwynedd IndMay 2022
Llanystumdwy Rhys Tudur538Gwynedd IndMay 2022
Morfa Nefyn a Thudweiliog Gareth Tudor Morris Jones638Gwynedd IndMay 2022
Morfa Tywyn John Pughe274Gwynedd IndMay 2022
Nefyn Gruffydd Williams0Gwynedd IndMay 2017
Peblig Dewi Jones444Gwynedd IndMay 2022
Pen draw Llŷn Gareth Williams697Gwynedd IndMay 2022
Penisa'r-waun Elwyn Jones335Gwynedd IndMay 2017
Penrhyndeudraeth Gareth Thomas0Gwynedd IndMay 2017
Teigl Geraint Parry289Gwynedd IndApr 2025
Trawsfynydd Elfed Powell Roberts241Gwynedd IndMay 2017
Tryfan Arwyn Herald Roberts315Gwynedd IndMay 2022
Waunfawr Edgar Wyn Owen349Gwynedd IndMay 2017
Y Bala Dilwyn Morgan618Gwynedd IndMay 2022
Y Bontnewydd Menna Mai Jones412Gwynedd IndMay 2022
Y Groeslon Llio Elenid Owen432Gwynedd IndMay 2022
Yr Eifl Jina Gwyrfai198Gwynedd IndMay 2022

Source · Democracy Club · DCLEAPIL v1.0 (CC BY-SA 4.0)

§ 02Settlements.25 named places

The seat’s population is concentrated in Rural & dispersed (38,555), with Caernarfon (10,079) as the second pole. Total population across named built-up areas: 94,485.

large-town 38,555town 10,079village 45,851

Source · ONS Built-Up Areas · Census 2021

SettlementPop.Class
Rural & dispersed38,555large town
Caernarfon10,079town
Pwllheli3,947village
Tywyn3,133village
Blaenau Ffestiniog2,809village
Dolgellau2,600village
Showing 6 of 25·All 25 settlements
§ 03Demographics.Census 2021 · vs national avg

Headline indicators.

IndicatorLocalNationalΔ
Employment rate54.2%57.1%-5%
Owner-occupied68.7%63.1%+9%
Private rented15.8%20.0%-21%
Social rented15.4%16.8%-9%

Ethnicity.

White98.1%
Asian0.6%
Black0.2%
Mixed0.9%
Other0.2%

Source · Census 2021

Population by age & sexCensus 2021 · 18 bands · click to expand
Male 49.1% Female 50.9% Median seat
MaleAgeFemale
85+
80-84
75-79
70-74
65-69
60-64
55-59
50-54
45-49
40-44
35-39
30-34
25-29
20-24
16-19
10-15
5-9
0-4

Source · Census 2021 (ONS) · % of usual residents; tick marks the median seat per band

§ 04Local economy.Income · tax · businesses · schools
Median income
£25,100
HMRC SPI · 2024
Mean income
£30,200
HMRC SPI · 2024
Businesses
4,875
VAT/PAYE-registered
Schools
88
0 primary · 0 secondary

Income tax contribution.

Total income tax£175m
Taxpayers48,000
Median per taxpayer£2,270
Mean per taxpayer£3,610

Source · HMRC SPI · ±8% confidence

Where the money flows back in.

For council finance & suppliers

This constituency is served by Gwynedd and Denbighshire. Each council’s service spend, peer rank and supplier list lives on its own page — open from the meta block above or the compass strip below.

For household tax breakdown

Move the income slider on My place to see income tax, NI, VAT and council tax against your earnings — the household lens.

§ 05Recorded crime.data.police.uk · 12-month rolling

Headline rate.

Per 1k pop · 3mo
17.1
-18% vs national
Monthly avg / 1k
5.7
12-month rolling
Top category
Violence & sexual offences
40% of recorded crime

By category.

Violence & sexual offences6.9
Anti-social behaviour3.4
Criminal damage & arson1.6
Other theft1.2
Shoplifting1.0
Public order1.0
Other crime0.5

Source · data.police.uk · 3-month rate per 1,000 pop

Showing 7 of 15·All 15 categories — full monthly trend & settlement breakdown
§ 06Election history.5 contests · created on 2023 boundaries

2024 — full result.

CandidateVotes%
Liz Saville RobertsWONPlaid21,78853.9
Joanna StallardLab5,91214.6
Lucy MurphyRef4,85712.0
Tomos DayCon4,71211.7
Karl DrinkwaterGrn1,4483.6
Phoebe JenkinsLD1,3813.4
Joan GinsbergInd2970.7

Turnout 40,395

Prior contests.

YearWinner%
2019Liz Saville RobertsPlaid48.3
2017Liz Saville RobertsPlaid45.1
2015Liz Saville-RobertsPlaid40.9
2010Llwyd, ElfynPlaid44.3
Sources, methods & last update
Method The dispatch paragraphs are AI-generated from the public sources listed below. Every figure links to its source. If we’re wrong, please tell us — corrections within 48 hours.
BoundariesONS Open Geography Portal
2023 boundary review
Wards & councilsLGBCE · Democracy Club
DCLEAPIL v1.0 (CC BY-SA 4.0)
SettlementsONS Built-Up Areas
Census 2021
DemographicsONS · Nomis · Census 2021
National avg over 575 seats
Income & taxHMRC SPI
±8% confidence
SchoolsDfE · attainment data
Crimedata.police.uk
LSOA-aggregated · rolling 12mo
ElectionsElectoral Commission