The county was named for William Tecumseh Sherman. The county is located in the central area of the state.
- Land Area: 566 square miles
- Population (2010): 3,152
- County Seat: Loup City
- Towns and Population (2010): Ashton, 194; Hazard, 70; Litchfield, 262; Loup City, 1,029; Rockville, 106.
- Public School Districts: Litchfield Public Schools, Litchfield; Loup City Public Schools, Loup City.