Bétheny (French pronunciation: [betni]) is a commune in the Marne department in northeastern France.

Historical population

Year Pop. ±% p.a. 1793 287 —     1800 343 +2.58% 1806 345 +0.10% 1821 407 +1.11% 1831 480 +1.66% 1836 526 +1.85% 1841 560 +1.26% 1846 602 +1.46% 1851 582 −0.67% 1856 629 +1.57% 1861 628 −0.03% 1866 594 −1.11% 1872 586 −0.23% 1876 680 +3.79% 1881 930 +6.46% 1886 1,009 +1.64% 1891 1,108 +1.89% 1896 1,137 +0.52%	Year Pop. ±% p.a. 1901 1,105 −0.57% 1906 1,227 +2.12% 1911 1,343 +1.82% 1921 779 −5.30% 1926 1,662 +16.36% 1931 1,696 +0.41% 1936 1,643 −0.63% 1946 1,224 −2.90% 1954 1,518 +2.73% 1962 2,482 +6.34% 1968 2,747 +1.71% 1975 4,651 +7.81% 1982 5,635 +2.78% 1990 6,487 +1.78% 1999 5,943 −0.97% 2007 6,322 +0.78% 2012 6,471 +0.47% 2017 6,971 +1.50%
Source: EHESS and INSEE (1968-2017)

• Marie Drouet (1885-1963) died there

• Communes of the Marne department