[1] Nisqually Indian Reservation was formed in 1854 after the signing of the Treaty of Medicine Creek.

[6] The portion northeast of the Nisqually River, totaling 3,353 acres (1,357 ha), was condemned in 1918 by Pierce County for use by the U.S. Army during the establishment of Fort Lewis.

The Nisqually Tribe was compensated $75,840 by an Indian Board; an additional $65,000 was appropriated by the federal government in 1921 to landowners in recognition of the "unfair payment".

[8] According to the United States Census Bureau, the Nisqually Indian Community CDP (census-designated place,[9] as the reservation is title for census purposes, has a total area of 2.7 square miles (7.1 km2), of which, 2.7 square miles (7.0 km2) of it is land and 0.37% is water.

9.2% of all households were made up of individuals, and 2.3% had someone living alone who was 65 years of age or older.