Mifflin is an unincorporated community in Chester County, Tennessee, United States.
[1] The community is situated on Tennessee State Route 200 and the eastern end of Tennessee State Route 197.
[2] It is generally accepted that Mifflin was the first settlement in what is now known as Chester County.
[3] Mifflin at that time was a part of Henderson County.
Until after the Civil War, Mifflin was the largest town in present day Chester County.