Dublin West
Dublin West is a parliamentary constituency represented in Dáil Éireann, the lower house of the Irish parliament or Oireachtas. The constituency elects five deputies on the system of proportional representation by means of the single transferable vote.
Boundaries
The constituency includes Mulhuddart, Corduff, Blanchardstown, Castleknock, Carpenterstown, Barberstown, Clonsilla and Ongar. The portion in Dublin City includes Dublin Zoo and Áras an Uachtaráin, the official residence of the President of Ireland, and the suburb of Ashtown. The Electoral Act 2023 defines the constituency as:| Years | TDs | Boundaries | Notes |
| 1981–1987 | 5 | Transfer of Ballyfermot A, B, C, D, E and F, Kilmainham A and C from Dublin Ballyfermot; Transfer of Cabra West D and E, Phoenix Park and parts of Cabra West A and C from Dublin Cabra; Transfer of Castleknock, Clonsilla, Lucan Numbers One and Two, Palmerstown Numbers One and Two, and townlands in Blanchardstown from Dublin County West; Transfer of Kilmainham B, Usher's A, Usher's F from Dublin South-Central; Transfer of the townland of Cardiffsbridge from Dublin County North. | |
| 1987–1992 | 5 | Transfer of the wards of Cabra West D and E and the balance of the wards of Cabra West A and C to Dublin Central. | |
| 1992–1997 | 4 | Transfer to Dublin North of the part of the constituency situated north of the Navan Road and the Castleknock Road; Transfer of the Ashtown, Phoenix Park, Islandbridge, Kilmainham, Inchicore, Ballyfermot and Chapelizod areas to Dublin Central. | |
| 1997–2002 | 4 | Transfer of Blanchardstown-Abbotstown, Blanchardstown-Corduff, Blanchardstown-Mulhuddart, Blanchardstown-Tyrrelstown, Castleknock Park from Dublin North; Cherry Orchard A, B and C, Drumfinn and Kylemore to Dublin Central | |
| 2002–2007 | 3 | Transfer of Clondalkin-Cappaghmore, Clondalkin-Moorfield, Clondalkin-Rowlagh, Lucan-Esker, Lucan Heights, Lucan-St. Helens to Dublin Mid-West. | |
| 2007–2011 | 3 | Transfer of Palmerston Village and Palmerston West to Dublin Mid-West. Transfer of part of Blanchardstown-Abbotstown to Dublin North-West, and of Kilsallaghan and part of Dubber and The Ward from Dublin North. | |
| 2011–2016 | 3 | Transfer of Airport and Swords-Forrest from Dublin North. | |
| 2016–2024 | 4 | Transfer of Airport, Dubber, Kilsallaghan and Swords-Forrest to Dublin Fingal. Transfer of Ashtown A, Ashtown B and part of Phoenix Park from Dublin Central. | |
| 2024– | 5 | Transfer of Blanchardstown-Abbotstown and The Ward from Dublin North-West. |