Chirens (French pronunciation: [ʃiʁɛ̃s]) is a commune in the Isère département in southeastern France.

Above the hamlet of Clermont stands the Tour de Clermont, the only remains of the former castle of the Counts of Clermont-Tonnerre.

Historical population

Year Pop. ±% p.a. 1793 1,510 —     1800 1,653 +1.30% 1806 2,018 +3.38% 1821 1,939 −0.27% 1831 2,009 +0.36% 1836 2,031 +0.22% 1841 2,022 −0.09% 1846 1,939 −0.83% 1851 1,826 −1.19% 1856 1,740 −0.96% 1861 1,711 −0.34% 1866 1,677 −0.40% 1872 1,665 −0.12% 1876 1,629 −0.54% 1881 1,550 −0.99% 1886 1,334 −2.96% 1891 1,205 −2.01% 1896 1,130 −1.28%	Year Pop. ±% p.a. 1901 1,085 −0.81% 1906 1,106 +0.38% 1911 1,078 −0.51% 1921 978 −0.97% 1926 978 +0.00% 1931 889 −1.89% 1936 845 −1.01% 1946 823 −0.26% 1954 805 −0.28% 1962 801 −0.06% 1968 764 −0.79% 1975 1,002 +3.95% 1982 1,463 +5.56% 1990 1,806 +2.67% 1999 1,889 +0.50% 2007 1,966 +0.50% 2012 2,340 +3.54% 2017 2,337 −0.03%
Source: EHESS and INSEE (1968-2017)

• Communes of the Isère department

• Official site