Founed in 1786, Knoxville is the third-largest city in the state of Tennessee, behind Memphis and Nashville, and is the county seat of Knox County. It is also the principal city of the "Knoxville Metropolitan Area" which is included in the "Knoxville-Sevierville-La Follette Combined Statistical Area". As of the 2000 United States Census, Knoxville had a total population of 173,890 with a metro population of 655,400.