Jefferson County's 2026 population is estimated at 64,915, reflecting a 2.87% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Jefferson County is the 7th largest county in West Virginia. The 2010 population was 53,612 and has grown 21.08% since 2010.
Overall: 41 years
Female: 41.2 years
Male: 40.8 years
There are 46,748 adults, (10,262 of whom are seniors) in Jefferson County.
Female: 29,734 (50.2%)
Male: 29,526 (49.8%)
The racial composition of Jefferson County includes 80.71% White, 5.7% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 47,826 | 80.71% |
| Two or more races | 5,857 | 9.88% |
| Black or African American | 3,375 | 5.7% |
| Other race | 1,214 | 2.05% |
| Asian | 827 | 1.4% |
| Native American | 154 | 0.26% |
| Native Hawaiian or Pacific Islander | 7 | 0.01% |
Jefferson County 's average per capita income is $59,796. Household income levels show a median of $98,806. The poverty rate stands at 8.69%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $137,242 | - |
| Families | $121,752 | $137,309 |
| Households | $98,806 | $120,421 |
| Non Families | $54,138 | $74,110 |
Average Income
Median Household Income
Poverty Rate