Jefferson County, Tennessee
Jefferson County | |
|---|---|
Jefferson County Courthouse in Dandridge | |
Location within the U.S. state of Tennessee | |
Tennessee's location within the U.S. | |
| Coordinates: 36°03′N 83°27′W / 36.05°N 83.45°W | |
| Country | United States |
| State | Tennessee |
| Founded | June 15, 1792 |
| Named after | Thomas Jefferson |
| Seat | Dandridge |
| Largest city | Jefferson City |
| Government | |
| • Mayor | Mark Potts (R) |
| 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 county located in the U.S. state of Tennessee. As of the 2020 census, the population was 54,683. Its county seat is Dandridge. 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.