Lamastre (French pronunciation: [lamastʁ]; Occitan: La Mastra) is a commune in the Ardèche department in southern France. It lies on the river Doux. The Chemin de fer du Vivarais, a metre-gauge tourist railway, connects Lamastre with Tournon-sur-Rhône.

Historical population

Year Pop. ±% p.a. 1793 1,800 —     1800 2,090 +2.16% 1806 1,798 −2.48% 1821 2,029 +0.81% 1831 2,218 +0.89% 1836 2,260 +0.38% 1841 2,423 +1.40% 1846 2,561 +1.11% 1851 2,501 −0.47% 1856 2,502 +0.01% 1861 2,925 +3.17% 1866 3,000 +0.51% 1872 3,180 +0.98% 1876 3,313 +1.03% 1881 3,209 −0.64% 1886 3,260 +0.32% 1891 3,693 +2.53% 1896 3,763 +0.38%	Year Pop. ±% p.a. 1901 3,759 −0.02% 1906 3,735 −0.13% 1911 3,663 −0.39% 1921 3,514 −0.41% 1926 3,712 +1.10% 1931 3,727 +0.08% 1936 3,674 −0.29% 1946 3,241 −1.25% 1954 3,361 +0.46% 1962 3,228 −0.50% 1968 3,247 +0.10% 1975 3,058 −0.85% 1982 3,007 −0.24% 1990 2,717 −1.26% 1999 2,467 −1.07% 2007 2,541 +0.37% 2012 2,426 −0.92% 2017 2,318 −0.91%
Source: EHESS and INSEE (1968-2017)

• Communes of the Ardèche department

• Official site