Grundy County, Tennessee

Grundy County
Grundy County Courthouse in Altamont
Location within the U.S. state of Tennessee
Tennessee's location within the U.S.
Coordinates: 35°23′N 85°43′W / 35.39°N 85.72°W / 35.39; -85.72
Country United States
State Tennessee
Founded1844
Named afterFelix Grundy
SeatAltamont
Largest cityGruetli-Laager
Area
  Total
361 sq mi (930 km2)
  Land361 sq mi (930 km2)
  Water0.6 sq mi (2 km2)  0.2%
Population
 (2020)
  Total
13,529
  Density38/sq mi (15/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitegrundycountytn.net

Grundy County is a county located in the U.S. state of Tennessee. It is located in Middle Tennessee, bordering East Tennessee. As of 2021, the population was 13,622. Its county seat is Altamont. The county is named in honor of Felix Grundy.