Lumbin (French pronunciation: [lœ̃bɛ̃]) is a commune in the Isère department in southeastern France.

Historical population

Year Pop. ±% p.a. 1793 494 —     1800 528 +0.96% 1806 538 +0.31% 1821 652 +1.29% 1831 685 +0.49% 1836 668 −0.50% 1841 660 −0.24% 1846 640 −0.61% 1851 661 +0.65% 1856 628 −1.02% 1861 644 +0.50% 1866 627 −0.53% 1872 584 −1.18% 1876 570 −0.60% 1881 517 −1.93% 1886 502 −0.59% 1891 427 −3.18% 1896 390 −1.80%	Year Pop. ±% p.a. 1901 401 +0.56% 1906 388 −0.66% 1911 352 −1.93% 1921 350 −0.06% 1926 339 −0.64% 1931 329 −0.60% 1936 336 +0.42% 1946 267 −2.27% 1954 382 +4.58% 1962 390 +0.26% 1968 395 +0.21% 1975 488 +3.07% 1982 709 +5.48% 1990 936 +3.53% 1999 1,464 +5.10% 2007 1,897 +3.29% 2012 2,080 +1.86% 2017 2,136 +0.53%
Source: EHESS and INSEE (1968-2017)

Lumbin is twinned with:

• Vipava, Vipava, Slovenia, since 2005

• Communes of the Isère department
• Funiculaire de Saint-Hilaire du Touvet