Blandouet is a former commune in the Mayenne department in northwestern France. On 1 January 2017, it was merged into the new commune Blandouet-Saint Jean.

Historical population

Year Pop. ±% 1793 535 —     1800 413 −22.8% 1806 524 +26.9% 1821 518 −1.1% 1831 535 +3.3% 1836 569 +6.4% 1841 585 +2.8% 1846 600 +2.6% 1851 588 −2.0% 1856 568 −3.4% 1861 539 −5.1% 1866 526 −2.4% 1872 454 −13.7% 1876 459 +1.1% 1881 440 −4.1% 1886 431 −2.0% 1891 414 −3.9% 1896 459 +10.9%

Year Pop. ±% 1901 444 −3.3% 1906 359 −19.1% 1911 369 +2.8% 1921 295 −20.1% 1926 262 −11.2% 1931 250 −4.6% 1936 259 +3.6% 1946 274 +5.8% 1954 240 −12.4% 1962 220 −8.3% 1968 208 −5.5% 1975 169 −18.8% 1982 159 −5.9% 1990 151 −5.0% 1999 157 +4.0% 2006 189 +20.4% 2009 198 +4.8% 2022 182 −8.1%

• Communes of Mayenne