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 (2020): 2,959
- County Seat: Loup City
- Towns and Population (2020): Ashton, 198; Hazard, 57; Litchfield, 220; Loup City, 1,053; Rockville, 89.
- Public School Districts: Litchfield Public Schools, Litchfield; Loup City Public Schools, Loup City.