sentences:  Williamson is a rapidly growing county in the Metro Lakeland area and is located southeast of St. Louis, Missouri.Via the nearby intersection of Interstates 57 and 24, and Illinois Route 13, a primary east-west four-lane expressway, the city easily has access to the major communities of Murphysboro, Carbondale, Carterville, Herrin, Marion and Harrisburg.The Metro Lakeland area of Jackson-Williamson counties has a total of 120,000 residents.