Union County's 2026 population is estimated at 16,735, reflecting a 2.98% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Union County is the 59th largest county in Florida. The 2010 population was 15,551 and has grown 7.61% since 2010.
Overall: 39.6 years
Female: 36.7 years
Male: 41.2 years
There are 12,287 adults, (2,607 of whom are seniors) in Union County.
Female: 5,729 (36.5%)
Male: 9,972 (63.5%)
The racial composition of Union County includes 71.4% White, 14.88% Black or African American, and smaller percentages for other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 11,211 | 71.4% |
| Black or African American | 2,337 | 14.88% |
| Two or more races | 1,965 | 12.52% |
| Other race | 143 | 0.91% |
| Asian | 38 | 0.24% |
| Native Hawaiian or Pacific Islander | 7 | 0.04% |
Union County 's average per capita income is $44,813. Household income levels show a median of $64,146. The poverty rate stands at 19.54%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $85,060 | - |
| Families | $72,837 | $98,567 |
| Households | $64,146 | $84,348 |
| Non Families | $36,645 | $49,164 |
Average Income
Median Household Income
Poverty Rate