Knox County's estimated 2025 population is 3,744 with a growth rate of 0.11% 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 -9.24% since that time.
Data after 2023 is projected based on recent change
The racial composition of Knox County includes 95.32% White, and smaller percentages for Native Hawaiian or Pacific Islander, Two or more races, Black or African American, Asian, other race, Native American and multiracial populations.
White (95.32%)
Native Hawaiian or Pacific Islander (1.91%)
Two or more races (1.57%)
Black or African American (0.9%)
Asian (0.21%)
Other race (0.05%)
Native American (0.03%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,584 | 95.32% |
| Native Hawaiian or Pacific Islander | 72 | 1.91% |
| Two or more races | 59 | 1.57% |
| Black or African American | 34 | 0.9% |
| Asian | 8 | 0.21% |
| Other race | 2 | 0.05% |
| Native American | 1 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
Knox County's average per capita income is $36,728. Household income levels show a median of $53,333. The poverty rate stands at 14.68%.
Name | Median | Mean |
|---|---|---|
| Married Families | $73,421 | - |
| Families | $69,679 | $89,155 |
| Households | $53,333 | $67,196 |
| Non Families | $25,855 | $34,845 |
Average Income
Median Household Income
Poverty Rate
