Hamilton County's estimated 2026 population is 396,224 with a growth rate of 1.27% 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 17.49% since that time.
Data after 2023 is projected based on recent change
The racial composition of Hamilton County includes 71.09% White, 17.57% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (71.09%)
Black or African American (17.57%)
Two or more races (6.23%)
Other race (2.94%)
Asian (1.95%)
Native American (0.2%)
Native Hawaiian or Pacific Islander (0.03%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 263,665 | 71.09% |
| Black or African American | 65,155 | 17.57% |
| Two or more races | 23,106 | 6.23% |
| Other race | 10,910 | 2.94% |
| Asian | 7,230 | 1.95% |
| Native American | 734 | 0.2% |
| Native Hawaiian or Pacific Islander | 113 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
Hamilton County's average per capita income is $48,074. Household income levels show a median of $72,568. The poverty rate stands at 12.54%.
Name | Median | Mean |
|---|---|---|
| Married Families | $113,194 | $150,687 |
| Families | $95,586 | $126,590 |
| Households | $72,568 | $103,813 |
| Non Families | $43,412 | $61,645 |
Average Income
Median Household Income
Poverty Rate