Arfon Assembly constituency
Upcoming elections
No scheduled elections for this area, check local news for by-elections.
2021 Welsh Assembly election results
Winner Plaid Cymru Hold (39.1% majority)
Constituency AM Sin Gwenllian
Top-up region AMs 2 Conservative, 1 Labour, 1 Plaid Cymru
Region North Wales
Arfon results for Senedd Cymru / Welsh Parliament election, 2021

Share of constituency votes

Party Votes Share Swing
Sin Gwenllian
Pla 13,760 62.1% +7.3
Iwan Wyn Jones
Lab 5,108 23.1% -10.9
Tony Thomas
Con 1,806 8.2% -0.1
Calum Davies LIB
Lib 642 2.9%
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Share of top-up region votes: North Wales region

Share of vote and seats
Votes Share Seats
Labour Lab
73,120 32.3% 1
Conservative Con
67,544 29.9% 2
Plaid Cymru PC
53,950 23.9% 1
Liberal Democrats LD
7,160 3.2%
Green Party Gre
6,586 2.9%
UK Independence Party UKIP
3,573 1.6%
Other Oth
14,266 6.3%
Elected regional members for North Wales region
Party
Carolyn Thomas
Labour Lab
Mark Isherwood
Conservative Con
Sam Rowlands
Conservative Con
Llyr Gruffydd
Plaid Cymru PC
Seat background for Arfon constituency
Last four Constituency AMs
2021
Sin Gwenllian
Plaid Cymru
2016
Sin Gwenllian
Plaid Cymru
2011
Alun Ffred Jones
Plaid Cymru
2007
A.F. Jones
Plaid Cymru