Cobb County's estimated 2026 population is 797,811 with a growth rate of 0.56% in the past year according to the most recent United States census data. Cobb County is the 3rd largest county in Georgia. The 2010 population was 689,542 and has seen a growth of 15.7% since that time.
Data after 2023 is projected based on recent change
Overall: 37.5 years
Female: 38.5 years
Male: 36.6 years
There are 600,241 adults, (105,818 of whom are seniors) in Cobb County.
Female: 397,279 (51.2%)
Male: 377,929 (48.8%)
The racial composition of Cobb County includes 48.98% White, 26.72% Black or African American, 7.83% other race, 5.49% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 379,724 | 48.98% |
| Black or African American | 207,116 | 26.72% |
| Two or more races | 80,882 | 10.43% |
| Other race | 60,692 | 7.83% |
| Asian | 42,571 | 5.49% |
| Native American | 3,827 | 0.49% |
| Native Hawaiian or Pacific Islander | 396 | 0.05% |
Cobb County's average per capita income is $61,579. Household income levels show a median of $102,738. The poverty rate stands at 8.74%.
Name | Median | Mean |
|---|---|---|
| Married Families | $146,820 | $183,314 |
| Families | $124,044 | $159,440 |
| Households | $102,738 | $136,477 |
| Non Families | $66,588 | $85,345 |
Average Income
Median Household Income
Poverty Rate
