County Londonderry

county of Northern Ireland

County Londonderry (Irish: Contae Dhoire; Ulster-Scots: Coontie Lunnonderrie), also known as County Derry, is one of the six counties of Northern Ireland. The county covers an area of 2,074 km² (801 sq mi) and today has a population of about 247,132.

County Derry
Contae Dhoire
Coontie Lunnonderrie
Coat of arms of County Derry
The Oak Leaf County
Auxilium A Domino  (Latin)
"Help comes from the Lord"
Location of County Derry
CountryUnited Kingdom
RegionNorthern Ireland
County townColeraine
 • Total801 sq mi (2,074 km2)
Area rank15th
Highest elevation2,224 ft (678 m)
 • Rank6th[1]
Time zoneUTC±0 (GMT)
 • Summer (DST)UTC+1 (BST)
Postcode area
Contae Dhoire[2] is the Irish name; Coontie Lunnonderrie is its name in Ulster Scots.[3]


  1. Key Statistics Tables Archived 27 November 2007 at the Wayback Machine 2001 Census combined for Coleraine, Derry, Limavady & Magherafelt.
  2. "Northern Ireland". Ministry of Defence (United Kingdom). Archived from the original (PDF) on 7 January 2019. Retrieved 28 October 2010.
  3. Banagher and Boveagh Churches Archived 30 August 2011 at the Wayback Machine Department of the Environment.