In de Grondwet van de Republiek Ierland is vastgelegd dat leden voor Dáil Éireann worden gekozen door middel van een districtenstelsel. Voor elk district moeten ten minste drie leden worden gekozen, de grondwet zelf geeft geen maximum, maar thans is vijf te kiezen zetels het maximum. De grondwet schrijft verder voor dat de grenzen van de kiesdistricten ten minste eenmaal per twaalf jaar beoordeeld en zo nodig gewijzigd dienen te worden.
Huidige districten Bij de laatste verkiezingen voor Dáil Eireann, in 2016, was de Republiek Ierland verdeeld in de volgende 40 kiesdistricten:Rapport van de kiescommissie (2012). Gearchiveerd op 7 september 2023. thumb|500px DistrictBevolking ZetelsCarlow–Kilkenny145.6595Cavan–Monaghan120.4834Clare111.336 4Cork East114.3654Cork North-Central117.170 4Cork North-West86.5933Cork South-Central117.9524Cork South-West82.9523Donegal152.3585Dublin Bay North146.5125Dublin Bay South116.3964Dublin Central89.0303Dublin Fingal141.1625Dublin Mid-West110.4274Dublin North-West90.5343Dublin Rathdown87.4703Dublin South-Central114.6604Dublin South-West144.9085Dublin West113.1794Dún Laoghaire118.7914Galway East89.5643Galway West150.8745Kerry145.5025Kildare North115.3504Kildare South87.7763Laois87.7453Limerick City113.8354Limerick County83.8343Longford–Westmeath116.8024 Louth143.2725Mayo120.3324Meath East86.5723Meath West85.5503Offaly87.6403Roscommon–Galway84.5863Sligo–Leitrim119.1534Tipperary147.8015Waterford113.7954Wexford145.3205Wicklow141.0125
Ten opzichte van de verkiezingen in 2011 was het aantal kiesdistricten verminderd van 43 naar 40, het aantal zetels van 166 naar 158.
Verdwenen districten Athlone-Longford (1937-48) Carlow-Kildare (1937-48) Clare-Galway South (1969-77) Cork Borough (1921-69) Cork City (1977-81) Cork City North-West (1969-77) Cork City South-East (1969-77) Cork East and North East (1921-23) Cork Mid (1961-81) Cork Mid, North, South, South East and West (1921-23) Cork North (1923-61) Cork North-East (1961-81) Cork South (1948-61) Cork South-East (1937-48) Cork West (1923-61) Donegal East (1937-61) Donegal North-East (1961-77, 1981-2016) Donegal South-West (1961-2016) Donegal West (1937-61) Donegal-Leitrim (1969-77) Dublin Atane (1977-81) Dublin Ballyfermot (1977-81) Dublin Cabra (1977-81) Dublin Clontarf (1977-81) Dublin County (1921-89) Dublin County Mid (1977-81) Dublin County North (1969-81) Dublin County South (1969-81) Dublin County West (1977-81) Dublin Finglas (1977-81) Dublin Mid (1921-23) Dublin North (1981-2016) Dublin North-Central (1948-2016) Dublin North-East (1981-2016) Dublin Rathmines West (1977-81) Dublin South (1981-2016) Dublin South-East (1948-2016) Dublin Townships (1937-48) Dún Laoghaire and Rathdown (1948-77) Galway (1921-37) Galway North (1948-61) Galway North-East (1969-77) Galway South (1948-61) Kerry-Limerick West (1921-23) Kerry North (1937-2011) Kerry North-West Limerick (2011-2016) Kerry South (1937-2016) Kildare (1923-37) Kildare-Wicklow (1921-23) Kilkenny (1937-48) Laois-Offaly (1921-2016) * Leitrim (1937-48) Leitrim-Roscommon North (1921-23) Leitrim-Sligo (1923-37) Limerick (2011-2016) Limerick City-Limerick East (1921-23) Limerick East (1948-2011) Limerick West (1948-2011) Longford-Roscommon (1992-2017) Louth-Meath (1921-23) Mayo East (1969-97) Mayo North (1923-69) Mayo North and West (1921-23) Mayo South (1923-1969) Mayo South-Roscommon South (1921-23) Mayo West (1969-97) Meath (1923-37, 1948-2007) Meath-Westmeath (1937-48) Monaghan (1921-77) Roscommon (1923-69) Roscommon-Leitrim (1969-81) Roscommon-South Leitrim (2007-2016) Sligo (1937-48) Sligo-Mayo East (1921-23) Sligo North Leitrim (2007-2016) Tipperary Mid, North and South (1921-23) Tipperary North (1948-2016) Tipperary South (1948-2016) Waterford-Tipperary East (1921-23) Westmeath (1992-2007) * Laois-Offaly zal bij de eerstvolgende verkiezingen opnieuw worden ingesteld als district