Shell Valley is a census-designated place (CDP) in Rolette County, North Dakota, United States.

[3] The community is partially located on lands of Turtle Mountain Chippewa Tribe.

[4] According to the United States Census Bureau, the CDP has a total area of 15.0 square miles (39 km2), all land.

The racial makeup of the CDP was 3.04% White, 96.71% Native American, and 0.25% from two or more races.

7.0% of all households were made up of individuals, and 3.0% had someone living alone who was 65 years of age or older.