Cedartown A replica of Cedartown's long-demolished Seaboard Air Line Railway depot was constructed in 2004 to serve as a local welcome center and trailhead for the Silver Comet Trail. Cedartown (pop. 9,483) is the county seat of Polk County. It is located about 65 miles west of Atlanta.   Georgia's Railroad History & Heritage. Copyright, Steve Storey. Railroad History | The Depot List | Locomotives On Display | Odds & Ends | Sources & References | Home