Waterford City Council: 1991 Local Election
| Party | Seats | Votes | Share | Candidates | Constituencies | |||||
| Labour Party |  | 3 | (+1) | 3415 | 20.5% | (+11.2%) | 3 | 3 | ||
| Workers' Party |  | 3 | (+1) | 3359 | 20.2% | (+9.9%) | 5 | 3 | ||
| Fianna Fáil |  | 3 | (-2) | 3165 | 19.0% | (-11.1%) | 8 | (-2) | 3 | |
| Independent |  | 2 | (+1) | 2360 | 14.2% | (-1.5%) | 5 | (-3) | 3 | |
| Fine Gael |  | 2 | (-2) | 2220 | 13.3% | (-9.6%) | 5 | (-3) | 3 | |
| Progressive Democrats |  | 2 | (+2) | 1666 | 10.0% | (+10.0%) | 4 | (+4) | 3 | (+3) |
| Sinn Féin |  | 0 | 460 | 2.8% | (+0.9%) | 2 | (+1) | 2 | (+1) | |