Local Elections
| Election | Seats | Candidates | First Pref Share | Votes | Constituencies Contested |
| 2024 Local Election | 252 | 371 | 15.0% | 423626 | 165/166 |
| 2019 Local Election | 279 | 415 | 26.9% | 467244 | 166/166 |
| 2014 Local Election | 266 | 414 | 25.3% | 429974 | 137/137 |
| 2009 Local Election | 221 | 481 | 25.4% | 478868 | 175/175 |
| 2004 Local Election | 310 | 586 | 31.8% | 581701 | 184/184 |
| 1999 Local Election | 386 | 617 | 38.8% | 555113 | 184/184 |
| 1991 Local Election | 358 | 652 | 37.8% | 531659 | 180/180 |
| 1985 Local Election | 441 | 697 | 45.5% | 650362 | 180/180 |
| 1979 Local Election | 328 | 642 | 39.1% | 529909 | 153/155 |
| 1974 Local Election | 352 | 644 | 39.8% | 494926 | 147/147 |
| 1967 Local Election | 261 | 482 | 39.6% | 360980 | 119/119 |
| 1960 Local Election | 223 | 354 | 39.2% | 233226 | 87/87 |
| 1955 Local Election | 143 | 256 | 41.8% | 166813 | 59/59 |
| 1950 Local Election | 122 | 213 | 38.9% | 127151 | 49/49 |
| 1945 Local Election | 128 | 202 | 44.9% | 153846 | 48/49 |
| 1942 Local Election | 100 | 189 | 35.7% | 110089 | 48/49 |
| 1934 Local Election | 125 | 240 | 42.8% | 94804 | 46/52 |
| 1928 Local Election | 95 | 185 | 31.1% | 47876 | 46/46 |