Tennessee Counties, Demographics & Geography
Complete official guide to all 95 counties in Tennessee (TN). Explore 2024 US Census population estimates, county seats, FIPS codes, land areas, and interactive mapping tools powered by GeoMap Suite.
Tennessee County Breakdown
Showing 7 of 7 documented counties and seats.
County Name | FIPS | County Seat | Population (Census) | Land Area | Quick Tool |
|---|---|---|---|---|---|
| Shelby County (Memphis) | 47157 | Memphis | 929,744 | 755 sq mi | Lookup |
| Davidson County (Nashville) | 47037 | Nashville | 715,884 | 504 sq mi | Lookup |
| Knox County (Knoxville) | 47093 | Knoxville | 478,971 | 509 sq mi | Lookup |
| Hamilton County (Chattanooga) | 47065 | Chattanooga | 366,285 | 543 sq mi | Lookup |
| Rutherford County (Murfreesboro) | 47149 | Murfreesboro | 341,486 | 619 sq mi | Lookup |
| Williamson County (Franklin) | 47187 | Franklin | 247,726 | 583 sq mi | Lookup |
| Montgomery County (Clarksville) | 47125 | Clarksville | 220,069 | 539 sq mi | Lookup |
Geographic Structure of Tennessee Counties
County Administration & Governance
In Tennessee, county governments manage vital public infrastructure, tax assessments, law enforcement, judicial courts, election administration, and public records. The county seat (Memphis and other municipal headquarters) houses the primary courthouse, commissioners, and sheriff’s department.
All Tennessee counties carry a unique 5-digit Federal Information Processing Standard (FIPS) code, where the first two digits (47) designate the state and the remaining three digits identify each specific jurisdiction.
Geographic & Demographic Highlights
- Most Populous County:Shelby County (Memphis) (929,744 residents)
- Largest by Land Area:Shelby County (Memphis) (755 sq mi)
- State Capital:Nashville
- Census Bureau Region:South United States
Demographic calculations derive from the United States Census Bureau 2024 Population Estimates Program (PEP) and TIGER/Line geographic boundary files.