Publication
Populated off-shore islands
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From: Department of Rural and Community Development and the Gaeltacht
- Published on: 3 July 2015
- Last updated on: 15 April 2026
The main inhabited offshore islands included in the 2016 census (compared to 2011).
| County | Island | Population 2011 | Population 2016 |
| Co. Donegal | Árainn Mhór* | 514 | 469 |
| Inis Bó Finne* | 11 | 2 | |
| Toraigh* | 144 | 119 | |
| Gabhla* | 15 | 5 | |
| Inis Mhic an Doirn | 1 | 5 | |
| Co. Sligo | Coney | 2 | 3 |
| Co. Mayo | Clare Island | 168 | 159 |
| Inis Bigil* | 25 | 18 | |
| Collanmore | 4 | 7 | |
| Inishlyre | 4 | 4 | |
| Inisturk | 53 | 51 | |
| Clynish | 4 | 4 | |
| Co. Galway | Inishbofin | 160 | 175 |
| Árainn (Inis Mór)* | 845 | 762 | |
| Inis Oírr* | 249 | 281 | |
| Inis Meáin* | 157 | 183 | |
| Co. Cork | Bere | 216 | 167 |
| Cléire* | 124 | 147 | |
| Dursey | 3 | 4 | |
| Heir | 29 | 28 | |
| Long | 10 | 20 | |
| Sherkin | 114 | 111 | |
| Whiddy | 20 | 18 | |
| Total | 2879 | 2734 |
*Gaeltacht Islands