| Name | Union County |
| State | Kentucky |
| FIPS Code | 21225 |
| County Seat | Morganfield |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 13,116 |
| Population Growth Rate(2020-2024) | -4.23% |
| Majority Ethnicity | White 89.81% |
| Public School Majority Ethnicity | White 85% |
| Partisan Voting Index | Strongly Republican:+29 |
| Unemployment Rate (May 2026) | 4.1% |
| Sales Tax Rate (2025) | 6% |
| Area Code(s) | 270 / 364 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 89.81% |
| African American | 8.18% |
| Hispanic | 1.66% |
| Asian | 0.32% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.02% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 85.45% |
| African American | 6.03% |
| Hispanic | 2.19% |
| Asian | 0.24% |
| Native American | 0.15% |
| Hawaiin/Pacific Islander | 0% |