Sugar Hill is a city in northern Gwinnett County and a suburb of Atlanta in the U.S. state of Georgia. The population was 18,522 as of the 2010 census, making it the fourth-largest city in Gwinnett County. As of 2020, the estimated population was 23,994. It is in close proximity to Lake Lanier and the foothills of the North Georgia mountains.

Sugar Hill was standard through a charter by the Georgia give leave to enter assembly in 1939 as the Town of Sugar Hill and officially incorporated on March 24, 1939. The town was renamed the City of Sugar Hill in 1975. Before the city was incorporated, the area was part of a route from the railroad in Buford to the city of Cumming. According to tradition, the town was named after an incident where a large shipment of sugar spilled and the area became known as “the hill where the sugar spilled” or “the sugar hill”.

In 2001, a drastic bump in natural gas prices, disproportionate to the cost of natural gas external of Sugar Hill, resulted in residents forming “The Committee to Dissolve Sugar Hill”, with higher than 1,600 residents signing a petition calling for a referendum to abolish both the municipal assist and the city itself. State senator Billy Ray proposed a bank account asking for a non-binding referendum. The story was passed in the disclose senate but fruitless to pass in the House, and the effort to revoke the city’s charter was unsuccessful. The city council responded to this effort by reducing the utility’s prices to be comparable to those in the surrounding area.

Sugar Hill is located in northern Gwinnett County in northern Georgia. It is bordered to the northeast by the city of Buford and to the southwest by the city of Suwanee. Georgia State Route 20 is the main highway through the center of Sugar Hill, leading northwest 11 miles (18 km) to Cumming and south 12 miles (19 km) to Lawrenceville, the Gwinnett County seat. U.S. Route 23 runs along the southern edge of Sugar Hill, leading southwest 5 miles (8 km) to Suwanee and 10 miles (16 km) to Duluth. US 23 turns southeast at the Sugar Hill–Buford be stuffy to and runs 1 mile (1.6 km) with SR 20 to Interstate 985, which in slant leads northeast 19 miles (31 km) to Gainesville and southwest 36 miles (58 km) to downtown Atlanta.