South Dublin County Council: 1985 Local Election
| Party | Seats | Votes | Share | Candidates | Constituencies | |||||
| Fianna Fáil |  | 13 | (+13) | 22582 | 42.1% | (+42.1%) | 22 | (+22) | 7 | (+7) |
| Fine Gael |  | 8 | (+8) | 13603 | 25.4% | (+25.4%) | 18 | (+18) | 7 | (+7) |
| Labour Party |  | 2 | (+2) | 6415 | 12.0% | (+12.0%) | 14 | (+14) | 7 | (+7) |
| Workers' Party |  | 2 | (+2) | 3811 | 7.1% | (+7.1%) | 6 | (+6) | 6 | (+6) |
| Independent |  | 1 | (+1) | 3246 | 6.1% | (+6.0%) | 8 | (+8) | 6 | (+6) |
| Sinn Féin |  | 0 | 2464 | 4.6% | (+4.6%) | 4 | (+4) | 4 | (+4) | |
| Green Alliance |  | 0 | 1128 | 2.1% | (+2.1%) | 6 | (+6) | 6 | (+6) | |
| Donegal Progressive Party |  | 0 | 308 | 0.6% | (+0.6%) | 0 | 0 | |||
| Communist Party |  | 0 | 77 | 0.1% | (+0.1%) | 1 | (+1) | 1 | (+1) | |