List of All Counties in Tennessee

by countryaah · Published June 28, 2019 · Updated September 26, 2019

There are a total of 95 counties in the state of Tennessee. Among them, Washington County is the oldest one (established in 1777) while Chester County is the youngest (established in 1879). With population of 927,644, Shelby County is the most populated. The biggest county by land area is Shelby County (1,955 km²) and the smallest is Trousdale County (295 km²). Below please see all Tennessee counties which are listed in alphabetical order.