The state of Tennessee has a total of 95 counties. Washington County is the oldest (founded in 1777), while Chester County is the youngest (established in 1879).

Shelby County is the most populous, with a population of 927,644. Shelby County (1,955 km2) has the largest land area, while Trousdale County has the smallest (295 km2).

Please find a list of all Tennessee counties sorted alphabetically below.

• Anderson County, TN
• Bedford County, TN
• Benton County, TN
• Bledsoe County, TN
• Blount County, TN
• Bradley County, TN
• Campbell County, TN
• Cannon County, TN
• Carroll County, TN
• Carter County, TN
• Cheatham County, TN
• Chester County, TN
• Claiborne County, TN
• Clay County, TN
• Cocke County, TN
• Coffee County, TN
• Crockett County, TN
• Cumberland County, TN
• Davidson County, TN
• De Kalb County, TN
• Decatur County, TN
• Dickson County, TN
• Dyer County, TN
• Fayette County, TN
• Fentress County, TN
• Franklin County, TN
• Gibson County, TN
• Giles County, TN
• Grainger County, TN
• Greene County, TN
• Grundy County, TN
• Hamblen County, TN
• Hamilton County, TN
• Hancock County, TN
• Hardeman County, TN
• Hardin County, TN
• Hawkins County, TN
• Haywood County, TN
• Henderson County, TN
• Henry County, TN
• Hickman County, TN
• Houston County, TN
• Humphreys County, TN
• Jackson County, TN
• Jefferson County, TN
• Johnson County, TN
• Knox County, TN
• Lake County, TN
• Lauderdale County, TN
• Lawrence County, TN
• Lewis County, TN
• Lincoln County, TN
• Loudon County, TN
• Macon County, TN
• Madison County, TN
• Marion County, TN
• Marshall County, TN
• Maury County, TN
• McMinn County, TN
• McNairy County, TN
• Meigs County, TN
• Monroe County, TN
• Montgomery County, TN
• Moore County, TN
• Morgan County, TN
• Obion County, TN
• Overton County, TN
• Perry County, TN
• Pickett County, TN
• Polk County, TN
• Putnam County, TN
• Rhea County, TN
• Roane County, TN
• Robertson County, TN
• Rutherford County, TN
• Scott County, TN
• Sequatchie County, TN
• Sevier County, TN
• Shelby County, TN
• Smith County, TN
• Stewart County, TN
• Sullivan County, TN
• Sumner County, TN
• Tipton County, TN
• Trousdale County, TN
• Unicoi County, TN
• Union County, TN
• Van Buren County, TN
• Warren County, TN
• Washington County, TN
• Wayne County, TN
• Weakley County, TN
• White County, TN
• Williamson County, TN
• Wilson County, TN