Dún Laoghaire: 2020 general election
to Fianna Fáil | to Fine Gael | to Sinn Féin | to Green Party | to Solidarity - People Before Profit | ||
| from Labour Party |  | 348 (10.6%) | 939 (28.6%) | 123 (3.7%) | 1362 (41.5%) | 509 (15.5%) |
| from Fianna Fáil | | 2997 (65.1%) | 910 (19.8%) | 52 (1.1%) | 368 (8.0%) | 274 (6.0%) |
| from Fine Gael | | 467 (7.5%) | 4901 (78.7%) | 31 (0.5%) | 610 (9.8%) | 217 (3.5%) |
| from Sinn Féin | | 307 (5.2%) | 323 (5.5%) | 5245 (89.3%) | ||
| from Solidarity - People Before Profit | | 770 (51.5%) | 726 (48.5%) |