Chatham County's 2026 population is estimated at 312,494, reflecting a 0.83% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Chatham County is the 5th largest county in Georgia. The 2010 population was 265,799 and has grown 17.57% since 2010.
Data after 2023 is projected based on recent change
Overall: 37.2 years
Female: 38.7 years
Male: 35.8 years
There are 238,654 adults, (50,376 of whom are seniors) in Chatham County.
Female: 156,158 (51.9%)
Male: 144,721 (48.1%)
The racial composition of Chatham County includes 46.94% White, 38.92% Black or African American, 3.5% other race, 3.12% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 141,221 | 46.94% |
| Black or African American | 117,105 | 38.92% |
| Two or more races | 21,249 | 7.06% |
| Other race | 10,540 | 3.5% |
| Asian | 9,384 | 3.12% |
| Native American | 984 | 0.33% |
| Native Hawaiian or Pacific Islander | 396 | 0.13% |
Chatham County 's average per capita income is $44,913. Household income levels show a median of $71,097. The poverty rate stands at 14.33%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $112,747 | $146,168 |
| Families | $87,337 | $118,408 |
| Households | $71,097 | $98,268 |
| Non Families | $48,427 | $66,222 |
Average Income
Median Household Income
Poverty Rate