Canadian Federal Census Dates

In most cases, the following list indicates the official enumeration dates for the various census returns. The actual enumeration of the population took weeks or months. Enumerators were instructed to record the information on the census returns as it existed on the official enumeration date.

1825 Lower Canada (Quebec) taken from June 20 to September 20, 1825
1831 Lower Canada (Quebec) taken from June 1 to October 1, 1831
1842 Canada West (Ontario) returns were supposed to be completed by February 1, 1842
1851 January 12, 1852 (delays led to the late enumeration of the 1851 Census)
1861 January 14, 1861
1871 April 2, 1871
1881 April 4, 1881
1891 April 6,1891
1901 March 31, 1901
1906 June 24, 1906 (special census - only Northwest Provinces: Alberta, Saskatchewan, Manitoba)
1911 June 1, 1911
1916 June 1, 1916 (special census - only Northwest Provinces: Alberta, Saskatchewan, Manitoba)

This information was compiled from Library and Archives Canada