Mercer County's estimated 2026 population is 57,454 with a growth rate of -0.09% in the past year according to the most recent United States census data. Mercer County is the 9th largest county in West Virginia. The 2010 population was 62,335 and has seen a growth of -7.83% since that time.
Data after 2023 is projected based on recent change
Overall: 43.5 years
Female: 45.2 years
Male: 41.8 years
There are 46,359 adults, (13,393 of whom are seniors) in Mercer County.
Female: 30,297 (51.7%)
Male: 28,266 (48.3%)
The racial composition of Mercer County includes 88.89% White, 4.05% Black or African American, and smaller percentages for other race, Native American, Asian and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 52,059 | 88.89% |
| Two or more races | 3,506 | 5.99% |
| Black or African American | 2,372 | 4.05% |
| Other race | 254 | 0.43% |
| Native American | 245 | 0.42% |
| Asian | 127 | 0.22% |
Mercer County's average per capita income is $42,634. Household income levels show a median of $53,210. The poverty rate stands at 16.49%.
Name | Median | Mean |
|---|---|---|
| Married Families | $84,065 | - |
| Families | $71,953 | $84,904 |
| Households | $53,210 | $71,510 |
| Non Families | $32,365 | $45,947 |
Average Income
Median Household Income
Poverty Rate