Fort Shawnee is census-designated place (CDP) in Allen County, Ohio, United States.

Fort Shawnee is adjacent to the city of Lima and the village of Cridersville in Auglaize County.

There were 1,605 housing units at an average density of 222.6 per square mile (85.9/km2).

22.4% of all households were made up of individuals, and 9.1% had someone living alone who was 65 years of age or older.

There were 1,608 housing units at an average density of 223.2 per square mile (86.2/km2).

21.3% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older.