Clay County's 2026 population is estimated at 26,434, reflecting a 0.02% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Clay County is the 60th largest county in Indiana. The 2010 population was 26,863 and has grown -1.6% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.4 years
Female: 42.7 years
Male: 39.9 years
There are 20,356 adults, (4,986 of whom are seniors) in Clay County.
Female: 13,310 (50.4%)
Male: 13,099 (49.6%)
The racial composition of Clay County includes 94.62% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 24,987 | 94.62% |
| Two or more races | 910 | 3.45% |
| Other race | 249 | 0.94% |
| Black or African American | 139 | 0.53% |
| Asian | 114 | 0.43% |
| Native American | 5 | 0.02% |
| Native Hawaiian or Pacific Islander | 5 | 0.02% |
Clay County 's average per capita income is $47,024. Household income levels show a median of $70,010. The poverty rate stands at 11.71%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $100,544 | - |
| Families | $91,573 | $122,207 |
| Households | $70,010 | $101,024 |
| Non Families | $34,020 | $47,008 |
Average Income
Median Household Income
Poverty Rate