Millen is a part of the Jenkins County region/metro area of Georgia. As of the 2000 census, the city had a population of 3,492 and it has a land area of 3.6 square miles. A local attraction to Millen is the Magnolia Springs State Park. Millen is known for its history with nearby Fort Lawton which act as a prison camp during the Civil War. Businesses in Millen include B M A of Georgia Inc, Georgia American Holding Group, Inc, and a branch of Family Dollar Stores of Georgia, Inc, Newton Insurance, Millen Loan & Finance Corp, Millen Auto Parts Co, and R L Toole & Co.