Shell Knob is a census-designated place (CDP) located within White River Township, Barry County, Missouri.

[4] The Stone County portion of Shell Knob is part of the Branson, Missouri Micropolitan Statistical Area.

Located in the Ozark Mountains, Shell Knob was established in 1835 on the banks of the White River when Henry and Elizabeth Yoachum Schell built a trading post.

Shell Knob is located on Missouri Route 39 on the north shore of Table Rock Lake.

25.0% of all households were made up of individuals, and 16.3% had someone living alone who was 65 years of age or older.