
Gwinnett County
- State:
- Georgia
- County Seat:
- Lawrenceville
Gwinnett County's estimated 2025 population is 998,232 with a growth rate of 0.74% in the past year according to the most recent United States census data. Gwinnett County is the 2nd largest county in Georgia. The 2010 population was 807,979 and has seen a growth of 23.55% since that time.