Saint-Agathon (French pronunciation: [sɛ̃.t‿aɡatɔ̃]; Breton: Sant-Eganton) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.

Inhabitants of Saint-Agathon are called saint-agathonnais in French.

Historical population

Year Pop. ±% p.a. 1793 850 —     1800 891 +0.68% 1806 929 +0.70% 1821 890 −0.29% 1831 928 +0.42% 1836 945 +0.36% 1841 972 +0.57% 1846 1,009 +0.75% 1851 1,021 +0.24% 1856 1,024 +0.06% 1861 1,015 −0.18% 1866 1,028 +0.25% 1872 1,015 −0.21% 1876 1,057 +1.02% 1881 1,114 +1.06% 1886 1,125 +0.20% 1891 1,130 +0.09% 1896 1,121 −0.16%	Year Pop. ±% p.a. 1901 1,060 −1.11% 1906 1,038 −0.42% 1911 1,007 −0.60% 1921 973 −0.34% 1926 945 −0.58% 1931 955 +0.21% 1936 970 +0.31% 1946 982 +0.12% 1954 924 −0.76% 1962 899 −0.34% 1968 890 −0.17% 1975 1,106 +3.15% 1982 1,331 +2.68% 1990 1,453 +1.10% 1999 1,783 +2.30% 2007 2,002 +1.46% 2012 2,180 +1.72% 2017 2,273 +0.84%
Source: EHESS and INSEE (1968-2017)

• Communes of the Côtes-d'Armor department

• Official website (in French)
• Base Mérimée: Search for heritage in the commune, Ministère français de la Culture. (in French)