South Dublin was divided into six local electoral areas (LEAs) to elect councillors for a five-year term of office on the electoral system of proportional representation by means of the single transferable vote (PR-STV).

[1][2][3] Under the Local Government Act 2001, South Dublin County Council had been allocated 26 seats.

[4] In the case of South Dublin County Council, it recommended an increase to 40 seats.

[6] Sinn Féin emerged as the largest party after the local elections with 9 seats and 6 gains in total.

Labour lost 5 seats, to emerge with 4 overall, and was left without representation in Lucan and Rathfarnham.