Jefferson County | |
---|---|
Coordinates: 36°03′N 83°27′W / 36.05°N 83.45°W | |
Country | United States |
State | Tennessee |
Founded | June 15, 1792[1] |
Named for | Thomas Jefferson[2] |
Seat | Dandridge |
Largest city | Jefferson City |
Government | |
• Mayor | Mark Potts (R)[3][4] |
Area | |
• Total | 314 sq mi (810 km2) |
• Land | 274 sq mi (710 km2) |
• Water | 40 sq mi (100 km2) 13% |
Population (2020) | |
• Total | 54,683 |
• Estimate (2023) | 57,838 |
• Density | 170/sq mi (67/km2) |
Time zone | UTC−5 (Eastern) |
• Summer (DST) | UTC−4 (EDT) |
ZIP Codes | 37725, 37760, 37820, 37871, 37877, 37890 |
Area code | 865 |
Congressional districts | 1st, 2nd |
Website | jeffersoncountytn |
Jefferson County is an exurban[5] county located in the U.S. state of Tennessee. As of the 2020 census, the population was 54,683.[6] Its county seat is Dandridge.[7] Jefferson County is part of the Morristown Metropolitan Statistical Area with neighboring Grainger and Hamblen counties. The county, along with the Morristown MSA, is included in the Knoxville-Morristown-Sevierville Combined Statistical Area.[8]