Sligo County Council: 1974 Local Election
| Party | Seats | Votes | Share | Candidates | Constituencies | |||||
| Fine Gael |  | 11 | 12209 | 46.6% | (+3.4%) | 21 | (+5) | 4 | ||
| Fianna Fáil |  | 10 | 10610 | 40.5% | (+1.4%) | 16 | 4 | |||
| Independent |  | 2 | 2056 | 7.8% | (-1.2%) | 7 | (+2) | 2 | ||
| Labour Party |  | 1 | 1179 | 4.5% | (-1.4%) | 6 | (+4) | 3 | (+2) | |
| Sinn Féin |  | 0 | 150 | 0.6% | (-2.3%) | 1 | (-2) | 1 | (-2) | |