The 2000 census listed Fort Snelling as an unorganized territory with a total population of 442.

There are 0 households out of which 0.0% have children under the age of 18 living with them, 0.0% are married couples living together, 0.0% have a female householder with no husband present, and 0.0% are non-families. 0.0% of all households are made up of individuals and 0.0% have someone living alone who is 65 years of age or older. The average household size is 0.00 and the average family size is 0.00.

In the unorganized territory the population is spread out with 0.0% under the age of 18, 0.0% from 18 to 24, 4.5% from 25 to 44, 33.0% from 45 to 64, and 62.4% who are 65 years of age or older. The median age is 69 years. For every 100 females there are 4,811.1 males. For every 100 females age 18 and over, there are 4,811.1 males.

The median income for a household in the unorganized territory is $0, and the median income for a family is $0. Males have a median income of $43,558 versus $0 for females. The per capita income for the unorganized territory is $24,328. 0.0% of the population and 0.0% of families are below the poverty line.

- Historic Fort Snelling (Minnesota Historical Society)