Westmeath County Council: 1991 Local Election
| Party | Seats | Votes | Share | Candidates | Constituencies | |||||
| Fianna Fáil |  | 12 | (-1) | 12127 | 43.8% | (-4.3%) | 19 | 5 | ||
| Fine Gael |  | 6 | (+1) | 7561 | 27.3% | (-0.5%) | 16 | (-3) | 5 | |
| Labour Party |  | 4 | (+1) | 5063 | 18.3% | (+5.5%) | 9 | 5 | (+1) | |
| Independent |  | 1 | (-1) | 2396 | 8.7% | (-1.1%) | 11 | (+3) | 5 | (+2) |
| Progressive Democrats |  | 0 | 505 | 1.8% | (+1.8%) | 2 | (+2) | 2 | (+2) | |
| Workers' Party |  | 0 | 19 | 0.1% | (+0.1%) | 1 | (+1) | 1 | (+1) | |