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 photo by Atoka Fire Department |
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The U.S. state of Tennessee is divided into 65 counties. As of 2010, Shelby County was both Tennessee's most populous county, with 927,644 residents, and the largest county in area, covering an area of 755 sq mi. The least populous county was Pickett County (4,945) and the smallest in area was Trousdale County, covering 114 sq mi. As of the same year, Davidson County, in which the capital Nashville is located, covers 502 sq mi with a population of 569,891. The population of the state of Tennessee as of the 2000 census was 5,689,283 in an area of 42,169 sq mi. The oldest county is Washington County, founded in 1777. The most recently formed county is Chester County (1879).
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 photo by City of Dickson Fire Department |
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 photo by Stewart County Fire Rescue |
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