Saint-Denis-en-Bugey (French pronunciation: [sɛ̃ dəni ɑ̃ byʒɛ] ) is a commune in the eastern French department of Ain.

The town lies on the left bank of the river Albarine, which forms all of the commune's northern border.

Historical population

Year Pop. ±% p.a. 1793 790 —     1800 454 −7.61% 1806 894 +11.96% 1821 998 +0.74% 1831 1,032 +0.34% 1836 563 −11.41% 1841 505 −2.15% 1846 527 +0.86% 1851 521 −0.23% 1856 513 −0.31% 1861 537 +0.92% 1866 630 +3.25% 1872 602 −0.75% 1876 745 +5.47% 1881 754 +0.24% 1886 788 +0.89% 1891 816 +0.70% 1896 870 +1.29%	Year Pop. ±% p.a. 1901 916 +1.04% 1906 845 −1.60% 1911 982 +3.05% 1921 1,007 +0.25% 1926 1,058 +0.99% 1931 1,128 +1.29% 1936 1,129 +0.02% 1946 1,131 +0.02% 1954 1,112 −0.21% 1962 1,170 +0.64% 1968 1,200 +0.42% 1975 1,220 +0.24% 1982 1,511 +3.10% 1990 1,780 +2.07% 1999 1,944 +0.98% 2007 2,067 +0.77% 2012 2,178 +1.05% 2017 2,309 +1.17%
Source: EHESS and INSEE (1968-2017)

• Communes of the Ain department