Jefferson County's 2026 population is estimated at 16,069, reflecting a 0.39% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Jefferson County is the 60th largest county in Florida. The 2010 population was 14,754 and has grown 8.91% since 2010.
Overall: 47.6 years
Female: 51.7 years
Male: 43.7 years
There are 12,502 adults, (3,694 of whom are seniors) in Jefferson County.
Female: 6,989 (46.3%)
Male: 8,102 (53.7%)
The racial composition of Jefferson County includes 62.89% White, 27.81% Black or African American, and smaller percentages for other race, Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 9,490 | 62.89% |
| Black or African American | 4,197 | 27.81% |
| Two or more races | 966 | 6.4% |
| Other race | 235 | 1.56% |
| Asian | 179 | 1.19% |
| Native Hawaiian or Pacific Islander | 15 | 0.1% |
| Native American | 9 | 0.06% |
Jefferson County 's average per capita income is $45,420. Household income levels show a median of $61,212. The poverty rate stands at 20.97%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $99,030 | - |
| Families | $75,819 | $93,204 |
| Households | $61,212 | $80,395 |
| Non Families | $34,673 | $44,611 |
Average Income
Median Household Income
Poverty Rate