Monaghan County Council: 1985 Local Election
| Party | Seats | Votes | Share | Candidates | Constituencies | |||||
| Fianna Fáil |  | 10 | (+1) | 11607 | 44.3% | (+2.9%) | 13 | (+1) | 4 | |
| Fine Gael |  | 7 | (-1) | 8791 | 33.5% | (-4.9%) | 11 | (-2) | 4 | |
| Sinn Féin |  | 2 | (+2) | 3168 | 12.1% | (+6.8%) | 3 | 3 | (+1) | |
| Protestant Association |  | 1 | (-1) | 1739 | 6.6% | (-0.7%) | 2 | 2 | ||
| Independent |  | 0 | (-1) | 716 | 2.7% | (-3.3%) | 3 | (+1) | 3 | (+1) |
| Workers' Party |  | 0 | 193 | 0.7% | (+0.7%) | 1 | (+1) | 1 | (+1) | |
| Green Alliance |  | 0 | 14 | 0.1% | (+0.1%) | 1 | (+1) | 1 | (+1) | |