Knoxville Metro Area Counties

9 counties · 968,137 people (2025) · 3,501 sq mi

The Knoxville metro area (officially the Knoxville, TN Metropolitan Statistical Area) has 9 counties in Tennessee, with 968,137 people in 2025. Knox County is the most populous.

Map of the 9 counties of the Knoxville metro area with county names and major cities
The 9 counties of the Knoxville metro area (yellow) with the largest cities. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

The 9 counties of the Knoxville metro area

Sorted by population. 4 are central counties (the urban core); the others are outlying counties tied to it by commuting.

CountyCounty seatPopulation 2025Change since 2020Land area (sq mi)Type
Knox CountyKnoxville511,453+6.8%508Central
Blount CountyMaryville143,820+6.3%559Central
Anderson CountyClinton82,066+6.3%337Central
Loudon CountyLoudon63,764+16.2%229Central
Roane CountyKingston57,395+7.2%361Outlying
Campbell CountyJacksboro40,290+2.6%480Outlying
Grainger CountyRutledge25,739+9.4%281Outlying
Morgan CountyWartburg22,160+5.3%522Outlying
Union CountyMaynardville21,450+8.3%224Outlying

The metro area is part of the larger Knoxville-Morristown-Sevierville, TN Combined Statistical Area.

Printable map

The PDF is a vector file for Letter paper; the PNG is 2400 pixels wide. Both are free to use with a credit to WhichCounty.

County maps of Tennessee

Other metro areas

All 97 metro area county maps

Sources