Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Spalding County is a county located in the U.S. state of Georgia. It was created December 20, 1851. As of 2000, the population was 58,417. The 2007 Census Estimate showed a population of 62,826. The county seat is Griffin. This county is a part of the Atlanta Metropolitan Area (Atlanta-Sandy Springs-Marietta, Georgia Metropolitan Statistical Area). The County is named for former United States representative and senator Thomas Spalding.