Clay is a town located in Clay County, West Virginia. Clay has a 2026 population of 358. It is also the county seat of Clay County. Clay is currently declining at a rate of -1.65% annually and its population has decreased by -9.6% since the most recent census, which recorded a population of 396 in 2020.
The median age in Clay is 30.4 years: 30.3 years for males, and 37 years for females. For every 100 females there are 177.9 males.
Data after 2023 is projected based on recent change
Overall: 30.4 years
Female: 37 years
Male: 30.3 years
There are 233 adults, (49 of whom are seniors) in Clay.
Female: 136 (36%)
Male: 242 (64%)
The racial composition of Clay includes 97.62% White, and smaller percentages for Two or more races, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 369 | 97.62% |
| Two or more races | 7 | 1.85% |
| Black or African American | 2 | 0.53% |