Knox County's 2026 population is estimated at 3,133, reflecting a -1.85% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Knox County is the 220th largest county in Texas. The 2010 population was 3,723 and has grown -15.85% since 2010.
Overall: 41.2 years
Female: 42.9 years
Male: 39.6 years
There are 2,448 adults, (619 of whom are seniors) in Knox County.
Female: 1,681 (50.8%)
Male: 1,626 (49.2%)
The racial composition of Knox County includes 68.07% White, 6.56% other race, 4.9% Black or African American, and smaller percentages for Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 2,251 | 68.07% |
| Two or more races | 661 | 19.99% |
| Other race | 217 | 6.56% |
| Black or African American | 162 | 4.9% |
| Asian | 10 | 0.3% |
| Native American | 6 | 0.18% |
Knox County 's average per capita income is $33,158. Household income levels show a median of $56,667. The poverty rate stands at 15.74%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $77,917 | - |
| Families | $67,847 | $80,306 |
| Households | $56,667 | $69,673 |
| Non Families | $30,521 | $44,459 |
Average Income
Median Household Income
Poverty Rate
