Cordéac (French pronunciation: [kɔʁdeak]; Occitan: Cordeac) is a former commune in the Isère department in southeastern France. On 1 January 2017, it was merged into the new commune Châtel-en-Trièves.

Historical population

Year Pop. ±% 1793 576 —     1866 583 +1.2% 1872 546 −6.3% 1881 536 −1.8% 1891 476 −11.2% 1901 418 −12.2% 1911 377 −9.8% 1921 318 −15.6% 1931 291 −8.5% 1946 321 +10.3%

Year Pop. ±% 1954 245 −23.7% 1962 227 −7.3% 1968 209 −7.9% 1975 168 −19.6% 1982 155 −7.7% 1990 184 +18.7% 1999 193 +4.9% 2006 209 +8.3% 2011 205 −1.9%

• Communes of the Isère department
• Grande Tête de l'Obiou