Graham County is located in northwestern Kansas, United States. Established in 1886, it was named after Captain John Graham, a local military figure. The county seat is Hill City, which serves as the primary hub for government and commerce in the area. The county covers an area of approximately 900 square miles and is known for its agricultural activities, particularly wheat and cattle farming. Graham County is part of the High Plains region, characterized by its flat terrain and open landscapes, making it a significant area for farming and ranching in Kansas.