Longford County Council: 1991 Local Election
| Party | Seats | Votes | Share | Candidates | Constituencies | |||||
| Fine Gael |  | 7 | (-2) | 5544 | 40.7% | (+2.5%) | 12 | (-3) | 5 | |
| Fianna Fáil |  | 7 | (-3) | 5391 | 39.6% | (-6.6%) | 13 | (-2) | 5 | |
| Independent |  | 3 | (+1) | 2158 | 15.8% | (+4.1%) | 6 | (+1) | 2 | (-1) |
| Republican Sinn Féin |  | 1 | (+1) | 536 | 3.9% | (+3.9%) | 1 | (+1) | 1 | (+1) |