Gwinnett County's 2026 population is estimated at 1,028,403, reflecting a 1.21% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Gwinnett County is the 2nd largest county in Georgia. The 2010 population was 807,979 and has grown 27.28% since 2010.
Data after 2023 is projected based on recent change
Overall: 36 years
Female: 37 years
Male: 35.1 years
There are 724,706 adults, (110,790 of whom are seniors) in Gwinnett County.
Female: 499,116 (50.9%)
Male: 480,748 (49.1%)
The racial composition of Gwinnett County includes 33.31% White, 28.41% Black or African American, 13.24% Asian, 11.5% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 326,395 | 33.31% |
| Black or African American | 278,338 | 28.41% |
| Asian | 129,768 | 13.24% |
| Two or more races | 127,158 | 12.98% |
| Other race | 112,653 | 11.5% |
| Native American | 4,656 | 0.48% |
| Native Hawaiian or Pacific Islander | 896 | 0.09% |
Gwinnett County 's average per capita income is $50,934. Household income levels show a median of $87,890. The poverty rate stands at 10.82%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $119,945 | $144,048 |
| Families | $102,092 | $126,586 |
| Households | $87,890 | $113,877 |
| Non Families | $52,731 | $69,050 |
Average Income
Median Household Income
Poverty Rate