Clay County's estimated 2026 population is 267,390 with a growth rate of 0.89% in the past year according to the most recent United States census data. Clay County is the 6th largest county in Missouri. The 2010 population was 222,649 and has seen a growth of 20.09% since that time.
Data after 2023 is projected based on recent change
Overall: 37.9 years
Female: 38.8 years
Male: 37 years
There are 197,377 adults, (39,430 of whom are seniors) in Clay County.
Female: 130,428 (50.5%)
Male: 127,694 (49.5%)
The racial composition of Clay County includes 79.18% White, 6.99% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 204,377 | 79.18% |
| Two or more races | 20,197 | 7.82% |
| Black or African American | 18,039 | 6.99% |
| Other race | 7,029 | 2.72% |
| Asian | 6,676 | 2.59% |
| Native American | 1,046 | 0.41% |
| Native Hawaiian or Pacific Islander | 758 | 0.29% |
Clay County's average per capita income is $56,206. Household income levels show a median of $88,468. The poverty rate stands at 8.47%.
Name | Median | Mean |
|---|---|---|
| Married Families | $123,635 | $146,389 |
| Families | $108,082 | $130,446 |
| Households | $88,468 | $108,962 |
| Non Families | $48,949 | $63,340 |
Average Income
Median Household Income
Poverty Rate