Knox County's estimated 2026 population is 3,748 with a growth rate of 0.54% in the past year according to the most recent United States census data. Knox County is the 113th largest county in Missouri. The 2010 population was 4,125 and has seen a growth of -9.14% since that time.
Data after 2023 is projected based on recent change
Overall: 40.1 years
Female: 40.9 years
Male: 39.3 years
There are 2,824 adults, (808 of whom are seniors) in Knox County.
Female: 1,867 (49.7%)
Male: 1,889 (50.3%)
The racial composition of Knox County includes 94.81% White, and smaller percentages for Native Hawaiian or Pacific Islander, Two or more races, Black or African American, other race, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,561 | 94.81% |
| Native Hawaiian or Pacific Islander | 76 | 2.02% |
| Two or more races | 76 | 2.02% |
| Black or African American | 24 | 0.64% |
| Other race | 9 | 0.24% |
| Asian | 7 | 0.19% |
| Native American | 3 | 0.08% |
Knox County's average per capita income is $38,710. Household income levels show a median of $57,788. The poverty rate stands at 11.9%.
Name | Median | Mean |
|---|---|---|
| Married Families | $90,139 | - |
| Families | $76,711 | $101,171 |
| Households | $57,788 | $76,853 |
| Non Families | $30,286 | $36,237 |
Average Income
Median Household Income
Poverty Rate
