Clay County's 2026 population is estimated at 7,383, reflecting a -2.06% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Clay County is the 49th largest county in West Virginia. The 2010 population was 9,382 and has grown -21.31% since 2010.
Overall: 45.4 years
Female: 45.6 years
Male: 44.8 years
There are 6,127 adults, (1,758 of whom are seniors) in Clay County.
Female: 3,874 (49.4%)
Male: 3,961 (50.6%)
The racial composition of Clay County includes 96.83% White, and smaller percentages for Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 7,587 | 96.83% |
| Two or more races | 240 | 3.06% |
| Black or African American | 4 | 0.05% |
| Native American | 4 | 0.05% |
Clay County 's average per capita income is $40,536. Household income levels show a median of $42,318. The poverty rate stands at 26.43%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $65,991 | - |
| Families | $58,420 | $72,545 |
| Households | $42,318 | $58,668 |
| Non Families | $21,755 | $29,084 |
Average Income
Median Household Income
Poverty Rate