This page is your source for quick facts about Gwinnett County. More information is available in the left navigation bar.

Current Population of Gwinnett County: 1,020,157 
(Source: Woods & Poole estimate, 2025)

Geography

• Approximately 30 miles northeast of Atlanta
• County seat: Lawrenceville, GA
• 437 square miles
• Adjacent counties: Barrow, DeKalb, Forsyth, Fulton, Hall, Jackson, Rockdale, and Walton
• 80 percent of the U.S. population is within a two-hour flight
• Gateway to metro Atlanta from north and northeast via I-85 and I-985
• Easy access to University of Georgia (at Athens) via University Parkway/GA Highway 316
• Minutes from scenic Lake Lanier
• Home to 17 municipalities

History

• Created in 1818 by state legislature
• Some of the land had been part of Jackson County
• The rest was frontier land ceded to the state by the Creek Indians
• Named for Button Gwinnett, signer of the Declaration of Independence