Grandchamp-des-Fontaines (French pronunciation: [ɡʁɑ̃ʃɑ̃ de fɔ̃tɛn] ; before 2023: Grandchamps-des-Fontaines; Gallo: Graunchaun, Breton: Gregamp-ar-Feunteunioù) is a commune in the Loire-Atlantique department in western France.

Historical population

Year Pop. ±% p.a. 1793 1,370 —     1800 1,304 −0.70% 1806 1,226 −1.02% 1821 1,133 −0.52% 1831 1,446 +2.47% 1841 1,487 +0.28% 1846 1,658 +2.20% 1851 1,845 +2.16% 1856 1,871 +0.28% 1861 1,942 +0.75% 1866 1,987 +0.46% 1872 1,921 −0.56% 1876 1,953 +0.41% 1881 1,895 −0.60% 1886 1,886 −0.10% 1891 1,885 −0.01% 1896 1,769 −1.26% 1901 1,714 −0.63%	Year Pop. ±% p.a. 1906 1,711 −0.04% 1911 1,641 −0.83% 1921 1,459 −1.17% 1926 1,463 +0.05% 1931 1,368 −1.33% 1936 1,390 +0.32% 1946 1,307 −0.61% 1954 1,311 +0.04% 1962 1,281 −0.29% 1968 1,291 +0.13% 1975 1,578 +2.91% 1982 2,223 +5.02% 1990 2,464 +1.29% 1999 3,466 +3.86% 2007 4,334 +2.83% 2012 5,156 +3.53% 2017 6,016 +3.13%
Source: EHESS and INSEE (1968-2017)

• Communes of the Loire-Atlantique department