Louth County Council: 1999 Local Election
| Party | Seats | Votes | Share | Candidates | Constituencies | |||||
| Fianna Fáil |  | 14 | (+2) | 14166 | 40.4% | (+3.4%) | 19 | (-4) | 5 | (-1) |
| Fine Gael |  | 7 | (+1) | 9167 | 26.1% | (+4.9%) | 15 | 5 | (-1) | |
| Independent |  | 3 | 3818 | 10.9% | (-6.0%) | 8 | (-9) | 4 | (-2) | |
| Sinn Féin |  | 1 | 3373 | 9.6% | (+2.5%) | 5 | 5 | |||
| Labour Party |  | 1 | (-1) | 2354 | 6.7% | (-5.3%) | 7 | (-2) | 5 | |
| Green Party |  | 0 | 1279 | 3.6% | (+3.6%) | 4 | (+4) | 4 | (+4) | |
| Progressive Democrats |  | 0 | (-2) | 721 | 2.1% | (-2.5%) | 2 | (-2) | 2 | (-2) |
| Workers' Party |  | 0 | 197 | 0.6% | (-0.1%) | 1 | 1 | |||