Website: www.cityofwilliamsonga.org Profile Incorporated Date: January 1, 1970 Population: 352 Total Area: 0.6 sq mi Contact Information 107 Midland St. Williamson, GA 30292 Phone Number: (770) 227-8380 Fax Number: (770) 227-8623 Williamson is home to The Candler Field Museum, established to recreate the old Atlanta airport as it existed in the 1920s and 1930s.