Hamilton County's estimated 2026 population is 394,398 with a growth rate of 0.91% in the past year according to the most recent United States census data. Hamilton County is the 4th largest county in Tennessee. The 2010 population was 337,235 and has seen a growth of 16.95% since that time.
Data after 2023 is projected based on recent change
Overall: 39.5 years
Female: 40.8 years
Male: 38.1 years
There are 296,881 adults, (69,086 of whom are seniors) in Hamilton County.
Female: 193,712 (51.5%)
Male: 182,480 (48.5%)
The racial composition of Hamilton County includes 70.24% White, 17.04% Black or African American, 3.02% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 264,229 | 70.24% |
| Black or African American | 64,101 | 17.04% |
| Two or more races | 27,496 | 7.31% |
| Other race | 11,361 | 3.02% |
| Asian | 7,861 | 2.09% |
| Native American | 1,084 | 0.29% |
| Native Hawaiian or Pacific Islander | 60 | 0.02% |
Hamilton County's average per capita income is $50,555. Household income levels show a median of $76,183. The poverty rate stands at 13.08%.
Name | Median | Mean |
|---|---|---|
| Married Families | $116,161 | $155,794 |
| Families | $99,031 | $131,673 |
| Households | $76,183 | $108,057 |
| Non Families | $45,962 | $64,875 |
Average Income
Median Household Income
Poverty Rate