end homes in the Gwinnett County Lawrenceville, Suwanee, Duluth, Buford, Braselton, & Flowery Branch(Hall County) area. Gwinnett County is a suburban county located in the U.S. state of Georgia . It was created on December 15, 1818. As of the 2000 census , the population was 588,448. The 2009 Census Estimate placed the population