Sindères (French pronunciation: [sɛ̃dɛʁ]; Gascon: Sindèras) is a former commune in the Landes department in Nouvelle-Aquitaine in southwestern France. On 1 January 2019, it was merged into the new commune Morcenx-la-Nouvelle.

Historical population

Year Pop. ±% 1793 192 —     1806 163 −15.1% 1821 261 +60.1% 1831 261 +0.0% 1841 253 −3.1% 1851 285 +12.6% 1861 251 −11.9% 1872 366 +45.8% 1881 353 −3.6% 1891 349 −1.1% 1901 332 −4.9% 1911 313 −5.7%

Year Pop. ±% 1921 303 −3.2% 1931 240 −20.8% 1946 169 −29.6% 1954 185 +9.5% 1962 181 −2.2% 1968 210 +16.0% 1975 174 −17.1% 1982 134 −23.0% 1990 154 +14.9% 1999 179 +16.2% 2008 186 +3.9% 2013 187 +0.5%

• Communes of the Landes department