| County | ||||
| Votes | Percent | Candidates | Seats | |
| Fianna Fail | 18,284 | 29.28% | 18 | 10 |
| Fine Gael | 21,535 | 34.49% | 20 | 10 |
| Sinn Fein | 6,447 | 10.32% | 4 | 3 |
| Independents & Other Parties | 16,181 | 25.91% | 19 | 7 |
| Ballina | ||||
| Votes | Percent | Seats | Quotas | |
| Fianna Fail | 5,743 | 35.20% | 3 | 3.17 |
| Fine Gael | 5,403 | 33.12% | 3 | 2.98 |
| Sinn Fein | 1,026 | 6.29% | 0 | 0.57 |
| Independents | 4,143 | 25.39% | 2 | 2.29 |
| Castlebar | ||||
| Votes | Percent | Seats | Quotas | |
| Fianna Fail | 4,024 | 26.15% | 3 | 2.35 |
| Fine Gael | 4,967 | 32.27% | 2 | 2.90 |
| Sinn Fein | 1,375 | 8.93% | 1 | 0.80 |
| Independents | 5,025 | 32.65% | 2 | 2.94 |
| Claremorris | ||||
| Votes | Percent | Seats | Quotas | |
| Fianna Fail | 3,769 | 24.25% | 2 | 1.94 |
| Fine Gael | 6,420 | 41.31% | 3 | 3.30 |
| Sinn Fein | 1,971 | 12.68% | 1 | 1.01 |
| Green Party | 103 | 0.66% | 0 | 0.05 |
| Independents | 3,279 | 21.10% | 1 | 1.69 |
| West Mayo | ||||
| Votes | Percent | Seats | Quotas | |
| Fianna Fail | 4,748 | 31.24% | 2 | 2.50 |
| Fine Gael | 4,745 | 31.22% | 2 | 2.50 |
| Sinn Fein | 2,075 | 13.65% | 1 | 1.09 |
| Green Party | 136 | 0.89% | 0 | 0.07 |
| Independents | 3,495 | 22.99% | 2 | 1.84 |