Knox County is located in the U.S. state of Tennessee. As of the 2020 census, the population was 478,971, making it the third-most populous county in Tennessee. Its county seat is Knoxville, which is the third-most populous city in Tennessee. Knox County is included in the Knoxville metropolitan area. The county is located at the geographical center of the Great Valley of East Tennessee. Near the heart of the county is the origin of the Tennessee River, at the confluence of the Holston and French Broad rivers.
Knox County Courthouse
View from the south bank of the Tennessee River by Union photographer George C. Barnard after the end of the Siege of Knoxville, December 1863. Source: Library of Congress
House Mountain, Knox County's high point, viewed from Emory Road, near the Knox–Grainger line
Knoxville is a city in and the county seat of Knox County, Tennessee, United States. As of the 2020 United States census, Knoxville's population was 190,740, making it the largest city in the East Tennessee Grand Division and the state's third-most-populous city after Nashville and Memphis. It is the principal city of the Knoxville metropolitan area, which had a population of 879,773 in 2020.
Image: Tennessee Amphitheater, World’s Fair Park, Knoxville, TN 52473476511
Image: Four market square tn 1
Image: The Sunsphere, Knoxville, TN 52474028288
Image: Swan monument statue tn 1