Clay County's estimated 2026 population is 15,883 with a growth rate of -1.97% in the past year according to the most recent United States census data. Clay County is the 47th largest county in Iowa. The 2010 population was 16,633 and has seen a growth of -4.51% since that time.
Data after 2023 is projected based on recent change
Overall: 42.3 years
Female: 43.7 years
Male: 40.5 years
There are 12,620 adults, (3,686 of whom are seniors) in Clay County.
Female: 8,304 (50.4%)
Male: 8,157 (49.6%)
The racial composition of Clay County includes 92.86% White, and smaller percentages for other race, Asian, Black or African American, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 15,285 | 92.86% |
| Two or more races | 659 | 4% |
| Other race | 322 | 1.96% |
| Asian | 124 | 0.75% |
| Black or African American | 45 | 0.27% |
| Native American | 26 | 0.16% |
Clay County's average per capita income is $47,213. Household income levels show a median of $65,428. The poverty rate stands at 11.41%.
Name | Median | Mean |
|---|---|---|
| Married Families | $103,905 | - |
| Families | $89,757 | $107,919 |
| Households | $65,428 | $83,614 |
| Non Families | $37,448 | $51,150 |
Average Income
Median Household Income
Poverty Rate
