Knox County, Tennessee
Knox County is located in the U.S. state of Tennessee. As of the 2020 census, the population was 478,971,[3] making it the third-most populous county in Tennessee. Its county seat is Knoxville,[4] 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
United States
June 15, 1792[1]
Knoxville
526 sq mi (1,360 km2)
508 sq mi (1,320 km2)
18 sq mi (50 km2) 3.5%
478,971 
500,669
910.6/sq mi (351.6/km2)
Transportation[edit]
Mass transportation[edit]
Knoxville Area Transit provides city bus service, while McGhee Tyson Airport features a variety of regional flights to Midwestern and Southern cities.
Education[edit]
Knox County School District operates public schools in the county.[35]
Tennessee School for the Deaf is a state operated school in the county.