Louth County Council: 1991 Local Election
| Party | Seats | Votes | Share | Candidates | Constituencies | |||||
| Fianna Fáil |  | 12 | 13370 | 37.0% | (-6.4%) | 23 | (+1) | 6 | ||
| Fine Gael |  | 6 | (-2) | 7655 | 21.2% | (-6.6%) | 15 | (-1) | 6 | |
| Independent |  | 3 | 6096 | 16.9% | (+8.2%) | 17 | (+11) | 6 | (+2) | |
| Labour Party |  | 2 | 4346 | 12.0% | (+3.4%) | 9 | 5 | (-1) | ||
| Progressive Democrats |  | 2 | (+2) | 1643 | 4.6% | (+4.5%) | 4 | (+4) | 4 | (+4) |
| Sinn Féin |  | 1 | 2556 | 7.1% | (-3.3%) | 5 | 5 | |||
| Workers' Party |  | 0 | 237 | 0.7% | (-0.4%) | 1 | (-2) | 1 | (-2) | |
| Republican Sinn Féin |  | 0 | 199 | 0.6% | (+0.5%) | 1 | (+1) | 1 | (+1) | |