Under the
Local Government Reform Act 2014, Dublin City Council was expanded from 52 to 63 seats. Sinn Féin won 16 seats, a gain of 7 seats, to emerge as the largest party and at least 1 seat in every LEA except Rathgar–Rathmines. Fianna Fáil won 9 seats, a gain of 3 seats in total. The party won 2 seats in Clontarf and 1 seat in every LEA except the North-Inner City. Fine Gael lost 4 seats to return with 8 seats overall. The party won 2 seats in Pembroke–South Dock and Rathgar–Rathmines but found itself without representation in Ballyfermot–Drimnagh, Cabra–Finglas and Crumlin–Kimmage. The Labour Party lost 11 seats in all, including the outgoing
Lord Mayor of Dublin,
Oisín Quinn, to return with just 8 councillors in all. People Before Profit gained 3 seats to return with 5 seats in all and the Green Party made a return to the council with 3 seats. The United Left and the Anti-Austerity Alliance both returned 1 seat while Independents doubled their numbers to 12 seats. == Results by party ==