Ploumagoar (French pronunciation: [plumaɡwaʁ]; Breton: Plouvagor) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.

Inhabitants of Ploumagoar are called ploumagoariens in French.

Historical population

Year Pop. ±% p.a. 1793 819 —     1800 1,769 +11.63% 1806 1,934 +1.50% 1821 2,035 +0.34% 1831 2,055 +0.10% 1836 2,004 −0.50% 1841 2,101 +0.95% 1846 2,189 +0.82% 1851 2,151 −0.35% 1856 2,096 −0.52% 1861 2,134 +0.36% 1866 2,268 +1.23% 1872 2,192 −0.57% 1876 2,267 +0.84% 1881 2,282 +0.13% 1886 2,236 −0.41% 1891 2,322 +0.76% 1896 2,348 +0.22%	Year Pop. ±% p.a. 1901 2,308 −0.34% 1906 2,427 +1.01% 1911 2,495 +0.55% 1921 2,370 −0.51% 1926 2,489 +0.98% 1931 2,358 −1.08% 1936 2,517 +1.31% 1946 2,557 +0.16% 1954 2,499 −0.29% 1962 2,604 +0.52% 1968 3,092 +2.90% 1975 3,940 +3.52% 1982 4,563 +2.12% 1990 4,567 +0.01% 1999 4,399 −0.42% 2007 4,870 +1.28% 2012 5,243 +1.49% 2017 5,434 +0.72%
Source: EHESS and INSEE (1968-2017)

The municipality launched a linguistic plan through Ya d'ar brezhoneg on 11 February 2008.

• 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)