Knox County's 2026 population is estimated at 29,525, reflecting a -0.22% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Knox County is the 36th largest county in Kentucky. The 2010 population was 31,846 and has grown -7.29% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.7 years
Female: 40.6 years
Male: 38.4 years
There are 22,812 adults, (5,203 of whom are seniors) in Knox County.
Female: 15,368 (51.5%)
Male: 14,497 (48.5%)
The racial composition of Knox County includes 95.74% White, and smaller percentages for Two or more races, Black or African American, Asian, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 28,593 | 95.74% |
| Two or more races | 842 | 2.82% |
| Black or African American | 312 | 1.04% |
| Asian | 57 | 0.19% |
| Other race | 54 | 0.18% |
| Native American | 7 | 0.02% |
Knox County 's average per capita income is $34,067. Household income levels show a median of $32,527. The poverty rate stands at 36.9%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $60,439 | - |
| Families | $46,324 | $61,325 |
| Households | $32,527 | $50,707 |
| Non Families | $18,428 | $29,404 |
Average Income
Median Household Income
Poverty Rate