Phelps County is located in the central part of the state of Missouri, USA. It was established in 1857 and is named after John S. Phelps, a former governor of Missouri. The county seat is Rolla, which is also home to the Missouri University of Science and Technology. The county covers an area of approximately 1,200 square miles and features a mix of rural landscapes and small towns. Phelps County is known for its outdoor recreational opportunities, including parks, rivers, and trails, making it a popular destination for nature enthusiasts and tourists.