Traill County is located in the state of North Dakota, in the United States. Established in 1875, it is known for its agricultural landscape and small communities. The county seat is Hillsboro, which serves as a central hub for local government and services. The county covers an area of approximately 1,200 square miles and is home to several towns, including Mayville and Galesburg. It features a mix of farmland, rivers, and recreational areas, making it a place of interest for both residents and visitors.