Seymour is an unincorporated community in Tennessee, United States, treated by the census as census-designated place. Its population was 8,850 at the 2000 U.S. census. The community spans the boundary between Sevier and Blount counties. It is included in the Knoxville, Tennessee Metropolitan Statistical Area. Seymour apartments for rent comparison page shows most up to date rent information on Seymour apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.