Le Mesnil-sous-Jumièges is a commune in the Seine-Maritime department in the Normandy region in north-western France.

A farming village, situated in the Roumois and inside a meander of the river Seine, some 12 miles (19 km) west of Rouen on the D 65 road. A ferry boat carries cars and passengers across the river to Yville-sur-Seine.

Historical population

Year Pop. ±% p.a. 1793 533 —     1800 600 +1.71% 1806 534 −1.92% 1821 490 −0.57% 1831 507 +0.34% 1836 443 −2.66% 1841 474 +1.36% 1846 501 +1.11% 1851 502 +0.04% 1856 447 −2.29% 1861 401 −2.15% 1866 398 −0.15% 1872 390 −0.34% 1876 368 −1.44% 1881 352 −0.89% 1886 371 +1.06% 1891 366 −0.27% 1896 347 −1.06%	Year Pop. ±% p.a. 1901 321 −1.55% 1906 335 +0.86% 1911 304 −1.92% 1921 294 −0.33% 1926 291 −0.20% 1931 261 −2.15% 1936 270 +0.68% 1946 368 +3.15% 1954 415 +1.51% 1962 449 +0.99% 1968 455 +0.22% 1975 467 +0.37% 1982 556 +2.52% 1990 571 +0.33% 1999 552 −0.38% 2007 619 +1.44% 2012 613 −0.19% 2017 639 +0.83%
Source: EHESS and INSEE (1968-2017)

• The church of St.Philibert, dating from the sixteenth century.
• The fourteenth century manor house of Agnès Sorel, mistress of Charles VII.

• Communes of the Seine-Maritime department

• Official commune website (in French)
• A history website of Le Mesnil (in French)