Gwinnett County, Georgia
Gwinnett County, Georgia | |
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Flag Seal Logo | |
Location within the U.S. state of Georgia | |
| Coordinates: 33°58′N 84°02′W / 33.96°N 84.03°W | |
| Country | United States |
| State | Georgia |
| Founded | December 15, 1818 |
| Named after | Button Gwinnett |
| Seat | Lawrenceville |
| Largest city | Peachtree Corners |
| Area | |
• Total | 437 sq mi (1,130 km2) |
| • Land | 430 sq mi (1,100 km2) |
| • Water | 6.4 sq mi (17 km2) 1.5% |
| Population (2020) | |
• Total | 957,062 |
• Estimate (2025) | 1,020,157 |
| • Density | 2,123/sq mi (820/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional districts | 4th, 9th, 10th, 13th |
| Website | gwinnettcounty.com |
Gwinnett County (/ɡwɪˈnɛt/ gwih-NET) is located in the north central portion of the U.S. state of Georgia. It is a core county of Metro Atlanta, being located about 9 miles (14 km) northeast of Atlanta city limits. In 2020, the population was 957,062, making it the second-most populous county in Georgia (after Fulton County). Its county seat is Lawrenceville. The county is named for Button Gwinnett, one of the signatories of the Declaration of Independence.
Gwinnett County is the most ethnically diverse county in Georgia, with significant populations of Black, Hispanic, and Asian residents. As of the 2020 Census, no ethnicity constitutes more than a third of its population.