Clay County's 2026 population is estimated at 8,227, reflecting a 2.3% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Clay County is the 90th largest county in Tennessee. The 2010 population was 7,847 and has grown 4.84% since 2010.
Data after 2023 is projected based on recent change
Overall: 48.5 years
Female: 49 years
Male: 48 years
There are 6,227 adults, (1,914 of whom are seniors) in Clay County.
Female: 3,940 (51.4%)
Male: 3,730 (48.6%)
The racial composition of Clay County includes 94.05% White, 3.34% Black or African American, and smaller percentages for Two or more races, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 7,214 | 94.05% |
| Black or African American | 256 | 3.34% |
| Two or more races | 139 | 1.81% |
| Asian | 41 | 0.53% |
| Native American | 20 | 0.26% |
Clay County 's average per capita income is $38,943. Household income levels show a median of $39,972. The poverty rate stands at 24.2%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $74,677 | - |
| Families | $57,206 | $66,507 |
| Households | $39,972 | $55,360 |
| Non Families | $19,106 | $33,707 |
Average Income
Median Household Income
Poverty Rate
