Parliamentary constituencies in County Londonderry

Historic	Coleraine (1801–85) Londonderry (1801–85, 1922–83) Londonderry City (1801–1922) North Londonderry (1885–1922) South Londonderry (1885–1922)
Current	Foyle (1983—) East Londonderry (1983—) Mid Ulster (1950—)

Dáil Éireann
Revolutionary era 1919–22

First Dáil
1919–21

Seats taken	Londonderry City
Seats not taken	North Londonderry South Londonderry

Second Dáil
1921–22

One or more seats taken	Londonderry
No seats taken	(none)

Parliament of Northern Ireland 1921–72

City of Londonderry (1929–72)
Foyle (1929–72)
Londonderry (1921–29)
Mid Londonderry (1929–72)
North Londonderry (1929–72)
South Londonderry (1929–72)

Northern Ireland Assemblies

Assembly 1973–74 Constitutional Convention 1975–76 Assembly 1982–86	Londonderry Mid Ulster
Northern Ireland Forum 1996–98 Assembly (1998–present)	Foyle Mid Ulster

European Parliament
1979–2020

Northern Ireland

Constituencies in Ireland by county
Republic of Ireland	Carlow Cavan Clare Cork Donegal Dublin Galway Kerry Kildare Kilkenny Laois Leitrim Limerick Longford Louth Mayo Meath Monaghan Offaly Roscommon Sligo Tipperary Waterford Westmeath Wexford Wicklow
Northern Ireland	Antrim Armagh Down Fermanagh Londonderry Tyrone

This template's initial visibility currently defaults to autocollapse, meaning that if there is another collapsible item on the page (a navbox, sidebar, or table with the collapsible attribute), it is hidden apart from its title bar; if not, it is fully visible.

To change this template's initial visibility, the |state= parameter may be used:

((County Londonderry constituencies|state=collapsed)) will show the template collapsed, i.e. hidden apart from its title bar.
((County Londonderry constituencies|state=expanded)) will show the template expanded, i.e. fully visible.