Dublin Mid-West is a parliamentary constituency represented in Dáil Éireann, the lower house of the Irish parliament or Oireachtas. The constituency elects 4 deputies (Teachtaí Dála, commonly known as TDs) on the system of proportional representation by means of the single transferable vote (PR-STV). History and boundaries Dublin Mid-West contains the areas of Clondalkin, Lucan, Palmerstown, Rathcoole and Saggart. The constituency was created by the Electoral (Amendment) (No. 2) Act 1998 as a three-seat constituency, composed of areas which had previously been in the constituencies of Dublin South-West and Dublin West, and came into operation at the 2002 general election. Under the Electoral (Amendment) Act 2005, the town of Palmerstown was incorporated into Dublin Mid-West (having been in Dublin West), with an increase to 4 seats, taking effect at the 2007 general election. It has retained these boundaries since 2007. TDs Elections 2020 general election 2019 by-election A by-election was held in the constituency on 29 November 2019 to fill the seat vacated by Frances Fitzgerald on her election to the European Parliament in May 2019. 2016 general election 2011 general election 2007 general election 2002 general election See also Dáil constituencies Elections in the Republic of Ireland Politics of the Republic of Ireland List of Dáil by-elections List of political parties in the Republic of Ireland References External links Oireachtas Constituency Dashboards Oireachtas Members Database Dáil constituencies Parliamentary constituencies in County Dublin Politics of South Dublin (county) 2002 establishments in Ireland Constituencies established in 2002