Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Sumter County is a county located in the southwest portion of the U.S. state of Georgia. It was created on December 26, 1831. As of 2000, the population was 33,200. The 2007 Census Estimate shows a population of 32,532. The county seat is Americus. Sumter County is part of the Americus Micropolitan Statistical Area.Sumter County was established by an act of the state legislature on December 26, 1831, just four years after the Creek Indians vacated the region when the state acquired the territory from them in the 1825 Treaty of Indian Springs. Sumter, the state''s eightieth county, was created entirely from Lee County, now situated to its south. The county was named for former General and United States senator Thomas Sumter of South Carolina. At the time of the county''s creation, the general was ninety-seven years old and the last surviving general of the American Revolution.