Williamson County, Tennessee

Williamson County
County
Williamson County Courthouse in Franklin, Old Town Archeological Site on the western side of the Big Harpeth River
Seal
Location within the U.S. state of Tennessee
Tennessee's location within the U.S.
Coordinates: 35°53′N 86°54′W / 35.89°N 86.9°W / 35.89; -86.9
Country	United States
State	Tennessee
Founded	October 26, 1799
Named for	Hugh Williamson[1]
Seat	Franklin
Largest city	Franklin
Area
• Total	584 sq mi (1,510 km2)
• Land	583 sq mi (1,510 km2)
• Water	1.2 sq mi (3 km2)  0.2%
Population  (2020)
• Total	247,726
• Estimate  (2023)	264,460
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional districts	7th, 5th
Website	williamsoncounty-tn.gov

Williamson County is a county in the U.S. state of Tennessee. As of the 2020 United States census, the population was 247,726.^[2] The county seat is Franklin,^[3] and the county is located in Middle Tennessee. The county is named after Hugh Williamson, a North Carolina politician who signed the U.S. Constitution. Williamson County is part of the Nashville-Davidson–Murfreesboro–Franklin, TN Metropolitan Statistical Area. In the 19th century, tobacco and hemp were cultivated here, and planters also raised blooded livestock, including horses and cattle.