Union County's 2026 population is estimated at 12,551, reflecting a -2.24% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Union County is the 89th largest county in Kentucky. The 2010 population was 15,274 and has grown -17.83% since 2010.
Overall: 42.4 years
Female: 44.7 years
Male: 40.8 years
There are 10,761 adults, (2,631 of whom are seniors) in Union County.
Female: 6,630 (50%)
Male: 6,630 (50%)
The racial composition of Union County includes 88.7% White, 6.9% 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 | 11,762 | 88.7% |
| Black or African American | 915 | 6.9% |
| Two or more races | 411 | 3.1% |
| Other race | 149 | 1.12% |
| Asian | 18 | 0.14% |
| Native Hawaiian or Pacific Islander | 5 | 0.04% |
Union County 's average per capita income is $43,137. Household income levels show a median of $60,327. The poverty rate stands at 18.44%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $79,946 | - |
| Families | $72,672 | $88,670 |
| Households | $60,327 | $73,009 |
| Non Families | $29,138 | $39,717 |
Average Income
Median Household Income
Poverty Rate