Loganville is a city in Walton and Gwinnett counties, Georgia, United States. The population was 10,458 at the 2010 census, up from 5,435 in 2000.
An early variant name was "Buncombe". The present name is after James Harvie Logan, an early settler.
The Georgia General Assembly incorporated Loganville as a town in 1887.
Loganville is in western Walton County, with the city limits extending west into southeastern Gwinnett County. U.S. Route 78 (Atlanta Highway) passes through the center of town, leading east 5 miles (8.0 km) to Monroe, the Walton County seat, and west 32 miles (51 km) to downtown Atlanta. Georgia State Route 20 leads northwest from Loganville 10 miles (16 km) to Lawrenceville, the Gwinnett County seat, and southwest 15 miles (24 km) to Conyers. Georgia State Route 81 leads northeast 16 miles (26 km) to Winder and south 18 miles (29 km) to Covington.
According to the United States Census Bureau, Loganville has a total area of 7.4 square miles (19.1 km2), of which 7.3 square miles (19.0 km2) is land and 0.04 square miles (0.1 km2), or 0.60%, is water.
As of the census of 2010, the population of Loganville was 10,458. The median age was 34.8. There were 3,825 households which represented a housing unit occupation rate of 91.6%.