Fontanil-Cornillon (French pronunciation: [fɔ̃tanil kɔʁnijɔ̃]) is a commune in the Isère department in southeastern France. It is part of the Grenoble urban unit (agglomeration).

Historical population

Year Pop. ±% p.a. 1793 443 —     1800 399 −1.48% 1806 405 +0.25% 1821 508 +1.52% 1831 655 +2.57% 1836 668 +0.39% 1841 652 −0.48% 1846 621 −0.97% 1851 588 −1.09% 1856 612 +0.80% 1861 599 −0.43% 1866 567 −1.09% 1872 584 +0.49% 1876 534 −2.21% 1881 533 −0.04% 1886 502 −1.19% 1891 465 −1.52% 1896 466 +0.04%	Year Pop. ±% p.a. 1901 436 −1.32% 1906 366 −3.44% 1911 345 −1.17% 1921 331 −0.41% 1926 381 +2.85% 1931 417 +1.82% 1936 400 −0.83% 1946 420 +0.49% 1954 524 +2.80% 1962 586 +1.41% 1968 1,123 +11.45% 1975 1,454 +3.76% 1982 1,682 +2.10% 1990 2,079 +2.68% 1999 2,454 +1.86% 2007 2,696 +1.18% 2012 2,796 +0.73% 2017 2,710 −0.62%
Source: EHESS and INSEE (1968-2017)

Fontanil-Cornillon is twinned with:

• Ponchatoula, Louisiana, United States, since 1987
• Monte Roberto, Italy, since 1992
• Saint-Joseph-du-Lac, Quebec, Canada, since 2008

• Communes of the Isère department