Plénée-Jugon (French pronunciation: [plene ʒygɔ̃]; Breton: Plened-Yugon; Gallo: Plénét) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.

The Arguenon river flows through the commune.

Inhabitants of Plénée-Jugon are called plénéens in French.

Historical population

Year Pop. ±% p.a. 1793 4,001 —     1800 3,932 −0.25% 1806 4,013 +0.34% 1821 4,390 +0.60% 1831 4,537 +0.33% 1836 4,526 −0.05% 1841 4,403 −0.55% 1846 4,439 +0.16% 1851 4,564 +0.56% 1856 4,386 −0.79% 1861 4,223 −0.75% 1866 4,300 +0.36% 1872 4,145 −0.61% 1876 4,247 +0.61% 1881 4,250 +0.01% 1886 4,089 −0.77% 1891 4,020 −0.34% 1896 3,933 −0.44%	Year Pop. ±% p.a. 1901 3,723 −1.09% 1906 3,696 −0.15% 1911 3,568 −0.70% 1921 3,172 −1.17% 1926 3,159 −0.08% 1931 3,071 −0.56% 1936 2,923 −0.98% 1946 2,741 −0.64% 1954 2,578 −0.76% 1962 2,561 −0.08% 1968 2,526 −0.23% 1975 2,464 −0.35% 1982 2,291 −1.03% 1990 2,235 −0.31% 1999 2,265 +0.15% 2007 2,401 +0.73% 2012 2,436 +0.29% 2017 2,410 −0.21%
Source: EHESS and INSEE (1968-2017)

• Communes of the Côtes-d'Armor department

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