Saint-Cyprien-de-Napierville is a municipality in Les Jardins-de-Napierville Regional County Municipality in Quebec, Canada, situated in the Montérégie administrative region. The population as of the 2021 Canadian census was 1,735. It completely encircles the village of Napierville.

Historical Census Data - Saint-Cyprien-de-Napierville, Quebec

Year Pop. ±% 1861 4,579 —     1871 3,273 −28.5% 1881 1,887 −42.3% 1891 1,703 −9.8% 1901 1,421 −16.6% 1911 1,063 −25.2% 1921 1,165 +9.6% 1931 955 −18.0%	Year Pop. ±% 1941 978 +2.4% 1951 955 −2.4% 1956 1,054 +10.4% 1961 1,087 +3.1% 1966 918 −15.5% 1971 953 +3.8% 1976 981 +2.9% 1981 1,115 +13.7%	Year Pop. ±% 1986 1,154 +3.5% 1991 1,237 +7.2% 1996 1,307 +5.7% 2001 1,312 +0.4% 2006 1,570 +19.7% 2011 1,869 +19.0% 2016 1,927 +3.1% 2021 1,735 −10.0%
Source: Statistics Canada

Canada Census Mother Tongue - Saint-Cyprien-de-Napierville, Quebec
Census		Total		French				English				French & English				Other
Year		Responses		Count	Trend	Pop %		Count	Trend	Pop %		Count	Trend	Pop %		Count	Trend	Pop %
2021		1,735		1,615	11.5%	93.1%		75	15.4%	4.3%		20	300.0%	1.2%		30	20.0%	1.7%
2016		1,925		1,825	4.0%	94.8%		65	0.0%	3.4%		5	75.0%	0.3%		25	16.7%	1.3%
2011		1,870		1,755	15.1%	93.9%		65	225.0%	3.5%		20	0.0%	1.1%		30	100.0%	1.6%
2006		1,575		1,525	25.0%	96.8%		20	50.0%	1.3%		15	40.0%	1.0%		15	50.0%	1.0%
2001		1,315		1,220	2.0%	92.8%		40	20.0%	3.0%		25	25.0%	1.9%		30	200.0%	2.3%
1996		1,325		1,245	n/a	94.0%		50	n/a	3.8%		20	n/a	1.5%		10	n/a	0.8%

• Fromagerie le Métayer (Cheesemaker)
• Douglass Cemetery
• Nathaniel Douglass House

• List of municipalities in Quebec

• Saint-Cyprien-de-Napierville official website