Knox County's estimated 2025 population is 511,920 with a growth rate of 1.02% in the past year according to the most recent United States census data. Knox County is the 3rd largest county in Tennessee. The 2010 population was 432,952 and has seen a growth of 18.24% since that time.
Data after 2023 is projected based on recent change
The racial composition of Knox County includes 81.22% White, 8.15% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (81.22%)
Black or African American (8.15%)
Two or more races (6.21%)
Asian (2.23%)
Other race (1.95%)
Native American (0.16%)
Native Hawaiian or Pacific Islander (0.08%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 395,867 | 81.22% |
| Black or African American | 39,710 | 8.15% |
| Two or more races | 30,277 | 6.21% |
| Asian | 10,862 | 2.23% |
| Other race | 9,513 | 1.95% |
| Native American | 795 | 0.16% |
| Native Hawaiian or Pacific Islander | 377 | 0.08% |
Married
Widowed
Divorced
Separated
Never Married
Knox County's average per capita income is $49,051. Household income levels show a median of $71,662. The poverty rate stands at 12.25%.
Name | Median | Mean |
|---|---|---|
| Married Families | $113,002 | $146,295 |
| Families | $94,921 | $126,363 |
| Households | $71,662 | $101,286 |
| Non Families | $41,779 | $59,406 |
Average Income
Median Household Income
Poverty Rate
