Clay is located in Polk County, Iowa. Clay has a 2025 population of 22,003 . Clay is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Clay is $110,085 with a poverty rate of 7%. The median age in Clay is 36.2 years: 34.5 years for males, and 37.4 years for females. For every 100 females there are 93.9 males.
Data after 2023 is projected based on recent change
The racial composition of Clay includes 89.06% White, 3.34% Black or African American, and smaller percentages for Asian, Native American, other race and multiracial populations.
White (89.06%)
Two or more races (4.8%)
Black or African American (3.34%)
Asian (1.45%)
Native American (0.7%)
Other race (0.65%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 19,595 | 89.06% |
| Two or more races | 1,056 | 4.8% |
| Black or African American | 736 | 3.34% |
| Asian | 319 | 1.45% |
| Native American | 155 | 0.7% |
| Other race | 142 | 0.65% |
Married
Widowed
Divorced
Separated
Never Married
Clay's average per capita income is $59,309. Household income levels show a median of $91,475. The poverty rate stands at 7%.
Name | Median | Mean |
|---|---|---|
| Married Families | $120,783 | - |
| Families | $103,267 | $125,612 |
| Households | $91,475 | $110,085 |
| Non Families | $56,114 | $67,296 |
Average Income
Median Household Income
Poverty Rate