La Roche-Derrien
La Roche-Derrien (French pronunciation: [la ʁɔʃ dɛʁjɛ̃]; Breton: Ar Roc'h-Derrien) is a former commune in the Côtes-d'Armor department of Brittany in northwestern France. On 1 January 2019, it was merged into the new commune La Roche-Jaudy.
Population
| Year | Pop. | ±% |
|---|---|---|
| 1962 | 967 | — |
| 1968 | 946 | −2.2% |
| 1975 | 971 | +2.6% |
| 1982 | 963 | −0.8% |
| 1990 | 883 | −8.3% |
| 1999 | 1,012 | +14.6% |
| 2008 | 1,064 | +5.1% |
Inhabitants of La Roche-Derrien are called rochois in French.