1912 - 13,502

1917 - 12,329

1918 - 21,500 - Sault Ste. Marie amalgamates with Steelton

1920 - 23,500

1925 - 22,500

1930 - 23,097

1935 - 23,000

1940 - 25,410

1945 - 28,737

1950 - 31,534

1960 - 42,497

1965 - 70,052 - Sault Ste. Marie amalgamates with Korah & Tarentorus Townships

1970 - 75,596

1980 - 80,548

1991 - 79,366

1996 - 80,054

2001 - 74,566

2006 - 74,948