A Bit About Cumming GA. Cumming, the county seat of Forsyth County, was established in 1834. The city is said to be named either for Colonel William Cumming of Augusta, a prominent lawyer, or for Sir Alexander Cumming, who settled in America in 1729 and became a Cherokee leaderThe population, at time of post, is 5,430. The total area is 5.9 square miles. Zip codes include 30040 and 30041. There are a number of campgrounds in the city including Bald Ridge Creek Park, Sawnee Park and Shady Grove Park. Also located near Cumming is the historical Mill Covered Bridge, built in 1906, which spans Settendown Creek. Cumming offers a charming blend of suburban tranquility and vibrant community life. Nestled near Lake Lanier, residents enjoy outdoor activities like boating and hiking. The city boasts excellent schools, diverse dining options, and a variety of shopping experiences. With its friendly atmosphere and numerous parks, Cumming is perfect for families and individuals seeking a balanced lifestyle. The real estate market features a range of homes, making it an attractive choice for buyers looking for both comfort and convenience.