Cook County's 2026 population is estimated at 18,469, reflecting a 1.3% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Cook County is the 101st largest county in Georgia. The 2010 population was 17,184 and has grown 7.48% since 2010.
Overall: 37.5 years
Female: 40.6 years
Male: 35.5 years
There are 13,074 adults, (2,834 of whom are seniors) in Cook County.
Female: 8,839 (50.4%)
Male: 8,693 (49.6%)
The racial composition of Cook County includes 63.85% White, 27.6% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 11,194 | 63.85% |
| Black or African American | 4,839 | 27.6% |
| Two or more races | 1,071 | 6.11% |
| Other race | 293 | 1.67% |
| Asian | 72 | 0.41% |
| Native American | 63 | 0.36% |
Cook County 's average per capita income is $42,824. Household income levels show a median of $53,651. The poverty rate stands at 17.73%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $83,095 | - |
| Families | $66,014 | $89,681 |
| Households | $53,651 | $75,581 |
| Non Families | $25,601 | $42,259 |
Average Income
Median Household Income
Poverty Rate
