2023 Lisburn and Castlereagh City Council election

2023 Lisburn and Castlereagh City Council election

← 2019 18 May 2023 2027 →
All 40 council seats 21 seats needed for a majority
First party Second party Third party   Leader Jeffrey Donaldson Naomi Long Doug Beattie Party DUP Alliance UUP Last election 15 9 11 Seats won 14 13 6 Seat change 1 4 5 Popular vote 19,187 16,064 7,877 Percentage 34.0% 28.5% 14.0% Swing 2.7% 4.9% 3.6%   Fourth party Fifth party Sixth party   Leader Michelle O'Neill[n 1] Colum Eastwood Party Sinn Féin SDLP Independent Last election 2 2 0 Seats won 4 2 1 Seat change 2 0 1 Popular vote 6,193 3,774 1,017 Percentage 11.0% 6.7% 1.8% Swing 5.6% 2.0% 0.1%
Lisburn and Castlereagh 2023 Council Election Results by DEA (Shaded by plurality of FPVs)
Council control before election No overall control Council control after election TBC

The 2023 election to Lisburn and Castlereagh City Council was held on 18 May 2023, alongside other local elections in Northern Ireland, two weeks after local elections in England.^[1] The Northern Ireland elections were delayed by 2 weeks to avoid overlapping with the coronation of King Charles III.^[2]

The election returned 40 members to the council via Single Transferable Vote. This consisted of 14 Democratic Unionist Party members (who topped the polls in three districts: Castlereagh East, Downshire East and Lisburn South), 13 Alliance Party members (who topped the polls in two districts: Castlereagh South and Downshire West), 6 Ulster Unionist Party members, 4 Sinn Féin members (who topped the polls in two districts: Killultagh and Lisburn North), 2 Social Democratic and Labour Party members and 1 Independent member.

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