County Donegal

County Donegal
Contae Dhún na nGall (Irish)
Coontie Dunnygal (Ulster-Scots)
Tyrconnell
Coat of arms of County Donegal
Nickname: 
The Forgotten County
Motto: 
Mutuam habeatis caritatem
"Have love for one another"
Location in Ireland, indicated in darker green
Location in Ireland, indicated in darker green
Interactive map of County Donegal
Coordinates: 54°55′N 8°00′W / 54.92°N 8.00°W / 54.92; -8.00
CountryIreland
ProvinceUlster
RegionNorthern and Western
Established1585
County townLifford
Largest settlementLetterkenny
Government
 • Local authorityDonegal County Council
 • Dáil constituency
 • EP constituencyMidlands–North-West
Area
 • Total
4,860 km2 (1,880 sq mi)
 • Rank4th
Highest elevation751 m (2,464 ft)
Population
 (2022)
 • Total
167,084
 • Rank 13th
 • Density34.4/km2 (89.0/sq mi)
Time zoneUTC±0 (WET)
 • Summer (DST)UTC+1 (IST)
Eircode routing keys
F92, F93, F94
Telephone area codes074 (primarily)
ISO 3166 codeIE-DL
Vehicle index
mark code
DL
Websitewww.donegal.ie Edit this at Wikidata
Coontie Dunnygal is an Ulster Scots spelling.

County Donegal (/ˌdʌnɪˈɡɔːl, ˌdɒnɪˈɡɔːl/ DUN-ig-AWL, DON-ig-AWL; Irish: Contae Dhún na nGall) is a county in the Republic of Ireland. It is in the province of Ulster and is the northernmost county on the island of Ireland. The county mostly borders Northern Ireland, sharing only a small border with one county of the rest of the Republic; its nickname is "The Forgotten County".

The county, the fourth-largest, is named after the town of Donegal in the south, although Lifford is the county town. It has also been known as County Tyrconnell or Tirconaill (Tír Chonaill), after the historical territory on which, along with Inishowen, it was based. Its territory hosted one of the most powerful families of late Gaelic Ireland, the O'Donnells. Donegal County Council is the local council. The population was 167,084 at the 2022 census.

Donegal is home to a Gaeltacht community, notably including Gweedore, and contains centres of traditional cultural activity; it is the home county of Clannad and Enya. Mountains and cliffs feature, and the county has one of the longest coastlines on the island of Ireland.