Franklin, the seat of Simpson county, was established in 1819 as the seat of the new county and named to honor Benjamin Franklin. Franklin was incorporated in 1820. The Franklin post office opened in 1822. The population in 2010 was 8,408.
The Simpson County Courthouse in Franklin.
- Franklin, City of
- Franklin-Simpson Chamber of Commerce
- Goodnight Memorial Library
- Simpson County Clerk
- Simpson County Fiscal Court
- Simpson County Schools
- Simpson County Tourism