Clinton County's estimated 2026 population is 22,025 with a growth rate of 0.69% in the past year according to the most recent United States census data. Clinton County is the 53rd largest county in Missouri. The 2010 population was 20,740 and has seen a growth of 6.2% since that time.
Data after 2023 is projected based on recent change
The racial composition of Clinton County includes 93.18% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (93.18%)
Two or more races (4.35%)
Other race (1.15%)
Black or African American (0.74%)
Asian (0.42%)
Native American (0.09%)
Native Hawaiian or Pacific Islander (0.06%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 19,810 | 93.18% |
| Two or more races | 925 | 4.35% |
| Other race | 245 | 1.15% |
| Black or African American | 157 | 0.74% |
| Asian | 90 | 0.42% |
| Native American | 19 | 0.09% |
| Native Hawaiian or Pacific Islander | 13 | 0.06% |
Married
Widowed
Divorced
Separated
Never Married
Clinton County's average per capita income is $46,844. Household income levels show a median of $70,625. The poverty rate stands at 12.77%.
Name | Median | Mean |
|---|---|---|
| Married Families | $99,739 | - |
| Families | $93,107 | $112,037 |
| Households | $70,625 | $88,767 |
| Non Families | $48,174 | $49,323 |
Average Income
Median Household Income
Poverty Rate