Dún na nGall · Ulster
Donegal was Tír Chonaill, the kingdom of the O'Donnells, who from the 13th century to about 1600 were the second most powerful family in Ulster after the O'Neills. They ruled from Donegal Castle and from the 1460s inaugurated their kings at Doon Rock near Kilmacrennan; the county's arms, drawn up in the 1970s, still echo theirs.
| Province | Ulster |
|---|---|
| County town | Lifford |
| Population | 167,084 (2022) |
| Area (km²) | 4,860 |
| Population change in the Famine, 1841–51 | -14% |
| Daily Irish speakers | 7,750 (2022) |
| Highest point (m) | 751 — Errigal |
| All-Ireland football titles | 2 |
| Townlands | 2,712 |
| Baronies | 8 |
| Civil parishes | 52 |
| Recorded monuments | 3,647 |
| Ringforts | 607 |
| Holy wells | 165 |
| Historic buildings recorded | 2,289 |
| Castles on the site | 11 |
| Battles and sieges | 10 |
| Workhouses | 8 |
| Railway stations (with an article) | 98 |
| Blue Flag beaches | 11 |
| Towns on the site | 6 |
| Surnames on the site | 50 |
Every figure is from a page on myireland.ie that names its source — see https://myireland.ie/counties/donegal/. Printed from myireland.ie, the atlas of Irish history.