Communailles-en-Montagne (French pronunciation: [kɔmynaj ɑ̃ mɔ̃taɲ]) is a former commune in the Jura department in Bourgogne-Franche-Comté in eastern France. On 1 January 2016, it was merged into the commune of Mignovillard.

Historical population

Year Pop. ±% 1793 164 —     1806 171 +4.3% 1821 188 +9.9% 1831 208 +10.6% 1841 222 +6.7% 1851 213 −4.1% 1861 204 −4.2% 1872 167 −18.1% 1881 134 −19.8% 1891 128 −4.5% 1901 121 −5.5% 1911 103 −14.9%

Year Pop. ±% 1921 120 +16.5% 1931 113 −5.8% 1946 89 −21.2% 1954 74 −16.9% 1962 57 −23.0% 1968 45 −21.1% 1975 39 −13.3% 1982 40 +2.6% 1990 38 −5.0% 1999 42 +10.5% 2006 52 +23.8% 2012 45 −13.5%

• Communes of the Jura department