Garrosse (French pronunciation: [ɡaʁɔs]; Gascon: Garròssa) 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 268 —     1806 263 −1.9% 1821 311 +18.3% 1831 314 +1.0% 1841 364 +15.9% 1851 367 +0.8% 1861 405 +10.4% 1872 442 +9.1% 1881 412 −6.8% 1891 414 +0.5% 1901 412 −0.5% 1911 384 −6.8%

Year Pop. ±% 1921 352 −8.3% 1931 297 −15.6% 1946 242 −18.5% 1954 237 −2.1% 1962 255 +7.6% 1968 233 −8.6% 1975 208 −10.7% 1982 247 +18.8% 1990 285 +15.4% 1999 287 +0.7% 2008 323 +12.5% 2013 299 −7.4%

• Communes of the Landes department